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.

Eyeing Potential Bird Flu Outbreak, Biden Administration Ramps Up Preparedness

The administration is committing an additional $306 million toward battling the virus, and will distribute the money before President-elect Donald J. Trump takes office.

Biden Honors Liz Cheney and 19 Others With Presidential Citizens Medal

Two close advisers to the president were also honored, in addition to career lawmakers who have worked across the aisle and advocates for liberal causes.

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.

U.S. Weighs Ban on Chinese Drones, Citing National Security Concerns

The Commerce Department requested that private companies comment on the implications of the rule by March. The final decision will fall to the Trump administration.

Officials Trying to Determine if New Orleans Suspect Had Ties to Terrorist Groups

U.S. officials have warned that the conflict in Gaza and Lebanon could spill into the United States, most likely in the form of small radicalized groups acting on their own initiative or lone-wolf terrorists.