Support WBURAnalysisRepublican Fears About Holding The Senate Start To Sink InJessica TaylorMay 07, 2018 ShareRepublicans currently have a 51-49 majority in the Senate, with two independents caucusing with Democrats. With Vice President Pence as the tie-breaker in the Senate, Democrats need to flip a net of two seats in 2018 to win back the majority. (NPR)