Impeachment is absolutely the politically savvy way for Dems moving forward, even if #MoscowMitch protects DJT from being removed in a Senate vote.
1. House GOP will have more retirements as they are saddled w a vote on their record, resulting in more Dem seats in 2020.
House judiciary committee gets more subpoena power if part of impeachment proceeding.
Finally, you never know unless you try, and altho chance is slight, his presidency could be ended.