The tribal loyalty (and hard penalties for breaking ranks) all stems from Gingrich's philosophy to never put country ahead of party.
After Trump has driven the GOP off the cliff, we will be a much better nation
Link: https://www.msn.com/en-us/news/politics/romney-not-welcome-at-cpac-after-impeachment-witness-vote/ar-BBZxaXg?li=BBnb7Kz