To keep conservative rebels in check, Speaker John Boehner (R-Ohio) and his allies have been doling out punishments at an aggressive clip in the 114th Congress. From kicking unruly members off the Rules Committee and GOP whip team to stripping a lawmaker of his subcommittee gavel, leadership has been growing more comfortable with taking retaliatory measures to try to enforce party discipline. But several Tea Party targets haven’t gone quietly. They’ve been fighting back with help from Ohio Rep. Jim Jordan’s conservative House Freedom Caucus, which successfully pressured leaders this week to return a subcommittee gavel to one of their...