National Journal writes:

Embattled incumbents with ethics problems. Allegations of sexual harassment leading to a competitive open seat. Dems have seen this movie before — only last time, it happened to the other guys.

Now, a beleaguered Dem majority has to hope their party can withstand a building wave that favors the GOP, and that effort isn’t made any easier by countless, and mounting, self-inflicted errors.

4 years ago, it was GOPers who found themselves on the receiving end of jolt after jolt of bad news. This time around, Dem strategists are beginning to accept the inevitability of big losses, and a sort of morbid gallows humor has settled over Congressional and political aides.

Read the full story for the strong parallels.