John Thune Takes Charge in the Senate, Ushering in a New Leadership Era

The affable traditional conservative from South Dakota is the first new chief of the Senate G.O.P. in nearly two decades. He will confront a challenge managing President-elect Donald J. Trump’s expectations.

Carter’s Panama Canal Treaties Symbolize How Much Washington Has Changed

To return the canal to Panama, President Jimmy Carter worked to change minds and build a bipartisan coalition that put aside short-term political considerations.

Democrats’ Battleground Leader, Exiting Congress, Reflects on What She Learned

Representative Abigail Spanberger of Virginia, the only Democrat in a leadership position to leave Congress this year, talked about her party, her competitive district, and what the Trump era has in store.

What Trump’s Cabinet Picks Tell Us About His Second Term

President-elect Donald Trump is filling key cabinet positions with controversial picks at a breakneck speed. Jonathan Swan, senior political correspondent at The Times, explains why these choices are significant, even if they don’t all make it into office.

Democrats Face a Series of Tests Over Support for Israel

First up is a resolution put forth by Senator Bernie Sanders, a Vermont independent who is Jewish, to deny Israel certain military weapons.

No, Trump Cannot Run for Re-election Again in 2028

The Constitution sets a two-term limit for presidents. Still, Donald J. Trump has repeatedly floated the idea that he might like to stay in the White House beyond his next term.