Speaker Mike Johnson’s (R-La.) handling of an end-of-year spending deal is throwing his grasp on his gavel into uncertain territory ahead of a critical Jan. 3 Speaker vote, as some GOP lawmakers question their support for the Louisiana Republican. Rep. Thomas Massie (R-Ky.) on Wednesday came out against Johnson in light of the spending deal, pledging to oppose him on the House floor next month. And a handful of other Republicans are not saying if they will support Johnson...