The curtain has risen on the year of the United States' 250th anniversary – and the stage is set for a critical year for the future of politics in America. Here are six key stories in politics to watch in 2026. The midterm elections: the House, Senate and Trump agenda at stake The year's marquee political story will likely be the midterm elections, where all seats in the U.S. House and 35 in the U.S. Senate will be up for election. Those seats include many in recently-redrawn congressional districts or held by members of Congress not running for reelection. At...