Erin Burnett breaks down the relationship between the U.S. and Canada over the hotly debated subject of exported oil.

A Green Bay voter confronted Mitt Romney over his religion at a town hall Monday, the day before Wisconsin's primary. Romney is a life long member of The Church of Jesus Christ of Latter-day Saints, whose members are commonly called Mormons.

"I guess my question is, do you believe it's a sin for a white man to marry and procreate with a black?" asked Bret Hatch, a 28-year old Ron Paul supporter from Green Bay.

Romney's answer was a simple "No. Next question."

Is this a sign of things to come for Romney? We'll discuss OutFront at 7pET.

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