Rep. Mike Gallagher says he's resigning early, leaving House Republicans with thinnest of majorities | AP News
https://apnews.com/article/mike-gallagher-resigns-house-republicans-majority-73f1991cc954d865d55ca7949d57dd35
Republican Rep. Ken Buck is exiting Congress early, further eroding GOP majority
https://www.nbcnews.com/politics/congress/republican-rep-ken-buck-leaving-congress-eroding-gop-majority-rcna143046