All of the congressional Republicans with viable 2016 presidential ambitions voted against the bill enacted overnight to reopen the government and increase federal borrowing. So did two members of the Senate GOP leadership and three members of the party’s House leadership. The opponents also included a majority of the Republicans who are chairmen of House committees and most of the members of the House GOP caucus who aspire to election to the Senate next year. While the Democrats were unified in their support for the legislation, a review of Wednesday night’s back-to-back roll calls in Congress reveals just how divided...