Mitch was re-elected in 2014, when Americans voted in 9 GOP Senators, which shocked everyone in DC.
Rove and Preibus didn’t even have a plan for that, but the public truned the Senate back over to the GOP.
And they promptly squandered it in Dec. 2014 with the omnibus bill, wasted all of 2015, and then passed a two year budget in Dec. 2015 that gave Obama everything he wanted.
This was not known when McConnell was re-elected.
Trump gets in, McConnell will play ball or be forced out.
McConnell has not dealt with a Trump before.
McConell might have some conflict of interest if it is true that his wife has links to China.