If you actually want to vote Romney you will roll the fair die and have a 2⁄3 chance of voting Romney.
If you don’t want to vote Romney you don’t roll the fair die in the first place and therefore it doesn’t come up greater than 2.
Strictly speaking, if you wanted to vote for Romney, you could roll as many fair dice as you like until one comes up greater than 2, leaving a ~1 chance of voting for whoever you intended in the first place.
If you actually want to vote Romney you will roll the fair die and have a 2⁄3 chance of voting Romney. If you don’t want to vote Romney you don’t roll the fair die in the first place and therefore it doesn’t come up greater than 2.
Strictly speaking, if you wanted to vote for Romney, you could roll as many fair dice as you like until one comes up greater than 2, leaving a ~1 chance of voting for whoever you intended in the first place.
It depends a bit on how you parse the sentence. If you roll 5 times you didn’t role a dice but five dice.