After a long, unapologetic effort to defeat Tea Party candidates in GOP primaries, the Washington establishment will likely need Tea Party voters in November to help swing several tight Senate races and win control of the upper chamber. The National Republican Senatorial Committee on Friday dismissed the notion that party voters are not united behind their candidates. “Can you point to a race … ? It’s a false narrative,” Kevin Broughton, spokesman for the Tea Party Patriots singled out a few races, particularly in Kansas and Mississippi, but suggested his troops will rally for the general election. Broughton said they...