No. If they start losing them, then they’re in trouble.
HAT TIP VENDOME---23 Dems, 2 indies and 8 Republican seats are up in 2018. The math is improbable, as in not even possible for Dems to make a gain. At least 10 of those seats are very much in jeopardy.
The Dem are going to lose bigly and then the census favors the Republicans in 2020.
Trump for 8 years and with a Republican majority...then Pence for eight years. If you force the nuclear option just once, that becomes the standard for the next 8 years. We will get 4 more bites of the apple on SCOTUS, ensuring wins on almost any issue for the next 16 years of elections and 100 years in the courts.