My guess is Romney said this as well to appeal to the blue collar line guy. Even if many are Dem's, the concept has been floated that he is from someplace else and it's conspiratorial aspects of it even appeals to them, for the fun of it, it is a guy's type of gossip instead of reading the Hollyweird Gossip Sheet like their wife's might...
Now Romney has their attention :-)...
The Romney’s were in Michigan.