[Hillary] Clinton has also struggled with key groups of voters.

[Hillary] Clinton has also struggled with key groups of voters.

Senate races have tightened along with the presidential race. Watch to see how many Republican Senate candidates outperform Donald Trump - and how many hang on to their seats in states that he loses.

The aftermath of this extraordinary election [2016] could be just as surprising as the race itself.

On the other side, you have the conservative intelligentsia - magazines like National Review, which has a big anti-Trump issue; Weekly Standard editor, conservative talk show hosts - they're mounting a big anti-Trump effort, pro-Cruz effort because they think [Donald] Trump is dangerous and he's not qualified to be commander in chief.

For Democrats, anything less than 15 net pickups will be a disappointing outcome [in presidency race].

The establishment is divorcing itself from its base - from voters who are choosing a candidate who says he stands for things that are anathema to the establishment.