David Mark @DavidMarkDC
In 1998 midterms, former Rep. Jay Inslee (D-Wash.), seeking a comeback, ran an explicitly anti-impeachment ad, and beat a Republican incumbent. Not much of a data set, admittedly, but impeachment was an overt issue in a few political corners. https://t.co/IKJrqIG9QR — PolitiTweet.org