Because I'm an optimist, and plus it's way too early to know what turnout will be like and what the mood of the country will be:
But seriously, I know TNVol is foaming at the mouth at the possibility of getting rid of a liberal pro-choice women in a red state, but I really don't think McCaskill would go down easily. She's not a total lightweight like Blanche Lincoln like you want her to be.
It should be noted the GOP can still f**k up...big time.
You guys do realize Trump isn't going away? Which means you're going to have to find people who placate three factions in the party (Establishment, Conservatives, and Trumpers) or risk losing support from one group. Trumpers are especially prone to saying dumb sh*t. There's a lot of opportunity for Republicans, but it could also go horribly wrong.