A look at the numbers, and how fraught and riven the next two years could be for President-elect Trump and the GOP.

Donald Trump’s hopes for a 100-day legislative bonanza are in peril because of late losses in competitive congressional districts and his own decision to pluck loyalists from the US House for key administration jobs.

The Senate Democrats on Tuesday picked among its ranks a new team to lead the minority party to balance the GOP's looming "trifecta" control of the White House and both House and Senate chambers.

Democratic senators held an election on Tuesday to name who will assume their party's leadership roles for the 119th congress.