Democrats took narrow control of the Senate Wednesday after Vice President Harris swore in three new Democratic senators: Raphael Warnock and Jon Ossoff of Georgia, and Alex Padilla, who will replace Harris in the Senate, representing California. Republicans control 50 seats, as does the Democratic Caucus, with Vice President Harris serving as a tiebreaker. New York Democrat Chuck Schumer has become Senate majority leader, replacing Republican Mitch McConnell of Kentucky.