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A federal appeals court has overturned a challenge to Utah's anti-polygamy law, dealing a blow to the Brown family of "Sister Wives" reality TV fame. 

On Tuesday at 12:15 p.m., University of Utah law professor Amos Guiora and attorney Rod Parker join Jennifer Napier-Pearce to talk about the ruling and America's continuing debate over the definition of marriage.

Watch this online video chat at You can also join the discussion by using the hashtag #TribTalk on Twitter and Google+ or texting 801-609-8059.