Even if [Donald] Trump concedes, some of his supporters have promised to take up arms against [Hillary] Clinton.

Well, it's possible that the new infusion of ad money against Donald Trump kept his margins in Kentucky and Louisiana down a bit. But we're also seeing something that we've never seen in 100 years, which is we are seeing the crackup of a major American political party.

Democrats came into the race with a structural advantage in the Electoral College. Their big blue wall - the states that Democrats have won in the past six presidential elections - gave [Hillary] Clinton a strong base to build on.

The winner's margin of victory also matters. If it's a squeaker, that will make the lessons learned for both parties much murkier.

Donald Trump has said he wants to keep Medicare and Social Security the way they are. Congressman Price along with most Republicans are on record supporting voucherizing Medicare. So there are going to be some conflicts to resolve there.

As one person said to me , Republicans know [Donald] Trump is a stain on their party.

Until he announced his immigration policy last week, Obama had the support of most Hispanic voters - but not the enthusiasm they had shown for him in 2008. That may be changing in part because of the decision not to deport young immigrants whose undocumented parents brought them here as children.