In Congress, just like at any storied American institution — McDonald's, New York Fashion Week, the Bush and Clinton families — trends come and go.
The 114th Congress is now 100 days old. And it can be difficult to keep up with the goings and comings of the body and its 535 members — the negotiations, visits from world leaders, the scandals and, oh yeah, the legislation.
So here's our look at what's in and what's out on Capitol Hill:
Have something to add to the list? Tweet @nprpolitics.
IN
Benjamin Netanyahu
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Israeli Prime Minister Benjamin Netanyahu is greeted by members of Congress before speaking to a joint meeting in the House chamber. Chip Somodevilla/Getty Images hide caption
itoggle caption Chip Somodevilla/Getty Images
Israeli Prime Minister Benjamin Netanyahu is greeted by members of Congress before speaking to a joint meeting in the House chamber.
Chip Somodevilla/Getty Images
Netanyahu's address to a joint meeting of Congress caused weeks of controversy after Speaker John Boehner invited him, but didn't tell the White House. Though several Democrats protested the speech, Netanyahu spoke to a packed house.
Bad Blood Gets Worse Between Barack, Bibi And Israel
3 min 58 sec
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Gyrocopter
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An Explosive Ordnance Disposal Technician check the gyrocopter that landed on the Capitol's South Lawn Wednesday. Paul J. Richards/AFP/Getty Images hide caption
itoggle caption Paul J. Richards/AFP/Getty Images
An Explosive Ordnance Disposal Technician check the gyrocopter that landed on the Capitol's South Lawn Wednesday.
Paul J. Richards/AFP/Getty Images
The Capitol was on lockdown Wednesday as a postman flew a gyrocopter into the Capitol airspace and landed it on the South Lawn. He's now in custody.
The Two-Way
Postman Carrying Letters For Congress Lands On Capitol Grounds In A Gyrocopter
Doc Fix
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The signatures of House Speaker John Boehner and Sen. Orrin Hatch on the Medicare Access CHIP Reauthorization Act 2015. Getty Images hide caption
itoggle caption Getty Images
The signatures of House Speaker John Boehner and Sen. Orrin Hatch on the Medicare Access CHIP Reauthorization Act 2015.
Getty Images
On Thursday, the House approved a long-term resolution to how doctors who accept Medicare are paid. It had been a perennial issue. The New York Times calls "the most significant bipartisan policy legislation to pass through that chamber since Republicans regained a majority in 2011."
It's All Politics
Is Capitol Hill Ready To Rest Its Near-Annual 'Doc Fix' Exercise?
Bipartisan Iran Nuclear Agreement Review Act of 2015
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Senate Foreign Relations Committee Chairman Sen. Bob Corker confers with ranking member Sen. Ben Cardin during a committee markup meeting on the proposed nuclear agreement with Iran. Win McNamee/Getty Images hide caption
itoggle caption Win McNamee/Getty Images
Senate Foreign Relations Committee Chairman Sen. Bob Corker confers with ranking member Sen. Ben Cardin during a committee markup meeting on the proposed nuclear agreement with Iran.
Win McNamee/Getty Images
The bill means the administration must formally submit to Congress the final Iran nuclear agreement. It's bipartisan, it passed, and the president has agreed to sign it.
Politics
Obama, Senate Compromise Gives Congress A Say On Iran Nuclear Deal
Tweeting Iran's Leaders
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Sen. Tom Cotton's tweet to Iran's President Rouhani. Twitter hide caption
itoggle caption Twitter
Sen. Tom Cotton's tweet to Iran's President Rouhani.
Twitter
Sen. Tom Cotton led 46 other senators in writing a letter to Iran's leaders explaining that they "may not fully understand our constitutional system." He said he didn't actually mail the letter, but he did tweet it to President Rouhani (@hassanrouhani).
It's All Politics
47 GOP Senators Tell Iran They May Not Honor A Nuclear Deal
Tom Cotton's Tweet To Iran's President
Diversity
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Utah Rep. Mia Love. Mark Wilson/Getty Images hide caption
itoggle caption Mark Wilson/Getty Images
Utah Rep. Mia Love.
Mark Wilson/Getty Images
Rep. Mia Love is part of the largest class of black Republicans in Congress since Reconstruction. Overall, 17 percent of the 114th Congress is non-white, the largest portion ever. Still, that's lower than the 37 percent of the non-white population overall in the country.
At Critical Juncture, GOP Honors Largest Class Of Black Lawmakers
3 min 44 sec
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Pew: 114th Congress is Most Diverse Ever
Regular Order
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"We need to get committees working again. We need to recommit to a rational, functioning appropriations process," Sen. Mitch McConnell said on the first full day of the new Congress. Susan Walsh/AP hide caption
itoggle caption Susan Walsh/AP
"We need to get committees working again. We need to recommit to a rational, functioning appropriations process," Sen. Mitch McConnell said on the first full day of the new Congress.
Susan Walsh/AP
Sens. Mitch McConnell, R-Ky., John McCain, R-Ariz., Ben Cardin, D-Md., and others have called for the glorious return of regular order. Those are the rules and customs of Congress, according to Roll Call, that "constitute an orderly and deliberative policymaking process."
It's All Politics
McConnell's Call For 'Regular Order' May Not Mean What It Used To
Reconciliation, In The Budget Sense
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Reconciliation, like chutes in the popular game, can catapult legislation through the Senate with only 51 votes instead of 60. Ben Husmann/Flickr hide caption
itoggle caption Ben Husmann/Flickr
Reconciliation, like chutes in the popular game, can catapult legislation through the Senate with only 51 votes instead of 60.
Ben Husmann/Flickr
It's a procedural fast track that could allow Republicans get sweeping legislation through the Senate with a simple majority, as NPR's Ailsa Chang reports, For actual, bipartisan reconciliation, "the restoration of friendly relations," see the Out list.
Budget Reconciliation Explained Through Chutes And Ladders
4 min 5 sec
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OUT
Offices Modeled After Downton Abbey
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Media members gather outside of the office of Rep. Aaron Schock after he announced his resignation from Congress on March 17. Lauren Victoria Burke/AP hide caption
itoggle caption Lauren Victoria Burke/AP
Media members gather outside of the office of Rep. Aaron Schock after he announced his resignation from Congress on March 17.
Lauren Victoria Burke/AP
Rep. Aaron Schock resigned after reports of lavish spending, including $40,000 to decorate his Capitol Hill office like the PBS show. Probably not out: TMI Instagram feeds and fudged mileage reports.
Regular Order
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When Mitch McConnell became Senate majority leader, he promised he'd restore what he called regular order in that chamber. But Democrats have been accusing him of violating regular order ever since. Susan Walsh/AP hide caption
itoggle caption Susan Walsh/AP
When Mitch McConnell became Senate majority leader, he promised he'd restore what he called regular order in that chamber. But Democrats have been accusing him of violating regular order ever since.
Susan Walsh/AP
The dreams of restoring regular order were grand, but in the words of George Washington University's Sarah Binder, "It's kind of hard to get back to a Senate where the Senate works in that type of a fluid, collegial place. Because that's just not the world — partisan or ideological — that we live in."
McConnell's Call For 'Regular Order' May Not Mean What It Used To
3 min 30 sec
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Exercise Bands
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House Minority Leader Nancy Pelosi starts a news conference by donning dark glasses, a teasingly sympathetic gesture to Reid. J. Scott Applewhite/AP hide caption
itoggle caption J. Scott Applewhite/AP
House Minority Leader Nancy Pelosi starts a news conference by donning dark glasses, a teasingly sympathetic gesture to Reid.
J. Scott Applewhite/AP
Resistance bands won't be overtaking P90X as the Congressional exercise of choice, after one broke and seriously injured Sen. Harry Reid.
Bob Menendez
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Sen. Bob Menendez on Capitol Hill Tuesday. Andrew Harnik/AP hide caption
itoggle caption Andrew Harnik/AP
Sen. Bob Menendez on Capitol Hill Tuesday.
Andrew Harnik/AP
He's technically still in, but Sen. Menendez is out as ranking member of the Senate Foreign Relations Committee after he was indicted on federal corruption charges. A majority of New Jersey voters say he should resign, but he is professing his innocence and vowing to fight.
Reconciliation, Broader Sense
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House Speaker John Boehner of Ohio kisses Rep. Nancy Pelosi during the opening session of the 114th Congress. Pablo Martinez Monsivais /AP hide caption
itoggle caption Pablo Martinez Monsivais /AP
House Speaker John Boehner of Ohio kisses Rep. Nancy Pelosi during the opening session of the 114th Congress.
Pablo Martinez Monsivais /AP
Can't we all just get along? In the first 100 days, the Senate has seen the lowest level of Democratic cosponsorship in 20 years, a New York Times review found. Bill cosponsorship in the House has also dropped compared with previous years.
Congress
Republicans