Senate Majority Leader Mitch McConnell (R-KY) at a press conference at the U.S. Capitol March 6, 2018. While Republicans started this election cycle as favorites to hold the Senate, it’s increasingly up in the air as to whether McConnell will hold his gavel next year.

Senate Majority Leader Mitch McConnell (R-KY) at a press conference at the U.S. Capitol March 6, 2018. While Republicans started this election cycle as favorites to hold the Senate, it’s increasingly up in the air as to whether McConnell will hold his gavel next year