Sen. Ted Cruz (R-Texas), who has been more of a team player since losing the 2016 GOP presidential primary to Donald Trump, is reemerging as an agitator in the GOP conference. Cruz is questioning Senate Majority Leader Mitch McConnell’s (R-Ky.) strategy on the GOP's 2018 agenda, which is to steer clear of partisan bills that don’t have Democratic support. Cruz, who is up for reelection this year and faces a spirited challenger in Rep. Beto O’Rourke (D), is leading a group of restive conservatives who want to vote on a budget resolution that would set up a special process —...