What about all the college kids who register to vote on campus, when their home of residence is their folks house?
Like I said, you vote where you are registered to vote. The point is that you vote once.
If they are democrats, they do what ever they can to vote in both places.
The Voter Fraud Wing of The Obama Campaign for President, ACORN, and other illegal slimy liberals helped many of them do this in the last election