Nope. You can vote for whomever you like in the general election. In the primary you have to say which party you're voting for, but there again, you can be a Whig and vote for a Know-Nothing.

I said Ted Nugent because like Jesse, Ted doesn't mince his words and I find that very refreshing. It used to be in this country that we appreciated people who spoke their minds. Now we try to sue them. ;-)