Fresh off getting its butt kicked in Virginia on Tuesday night, I warned the GOP that its defeat had less to do with the unpopularity of Donald Trump and more to do with the Senate’s utter inability to move anything that resembles a conservative agenda forward. Their last big failure came courtesy of Susan Collins, Lisa Murkowski and John McCain, who torpedoed Obamacare repeal even after voting for it repeatedly while Barack Obama was president. Now it seems that the World’s Greatest Deliberative Potty has moved on to strangling tax reform in the cradle, and guess who’s hands are doing…