I don’t know if “embarrassed” is the correct word. There does seem to have been a factor of “are you going to vote for Hillary, or are you a racist asshole” in 2016, and I don’t know if that has been compensated for in 2018. But we shall see.
This is a factor that gives me some hope for today’s elections. Usually the dominant party loses seats in the mid-terms. And Trump isn’t running, so all these elections are going to be either local, state-wide, or for Congress. OTOH it does appear to me that Republicans are more energized to vote today than usual, which may or may not counter the Democratic advantage.
You can’t tell from the reactions on the SDMB, of course, how the election will turn out. ISTM that most Dopers are basing their hopes on the idea that voters in 2018 will be as fanatically partisan as the Dope is all the time.
I am guessing the Dems will take back the House, and the GOP will gain one or two seats in the Senate, but I doubt a wave in either direction.