When does extreme parenting cross the line?

A dad tries to "toughen" up a toddler by marching him through the snow in his underwear. Do parents have the right to raise their kids as they see fit? When do you think extreme parenting crosses the line?Watch Vinnie Politan on HLN's Prime News live weeknights at 6 p.m. ET and follow @VinniePolitan on Twitter. For more informaton please visit http://www.hlntv.com/video/2012/02/09/when-does-extreme-parenting-cross-line