Republicans are widely expected to make significant gains this November, possibly, perhaps even probably, taking back control of the House of Representatives. This is to be expected to some extent, as the Democrats enjoyed two big wave elections in 2006 and 2008, and many of those House members won’t be coming back. But there are some other Dems, who in many other cycles would be safe bets to be reelected, that have unexpectedly ended up in tough races after longer tenures in Congress.
This is a companion discussion topic for the original entry at https://talkingpointsmemo.com/?p=121325