Betrayal isn’t a shocking move from the GOP anymore. In the Senate, you can always count on Sens. Lisa Murkowski (R-AK), Susan Collins (R-ME), and Mitt Romney (R-UT) to do the wrong thing. You can always count on Reps. Liz Cheney (R-WY) and Adam Kinzinger (R-IL) to do the wrong thing. You have other Senate Republicans wanting to hash out a deal on immigration during this midterm cycle. Some of the same folks want to hash out a deal on gun control. There are cracks in the line, and Democrats will find ways to exploit that and cause disruption. The...