I've studied conflict resolution - here's what it's taught me about surviving the holidays

Listen to this expert's advice on defusing tension during family dinners. Mary Elizabeth Williams used to be the kind of person that would avoid conflict over family dinners. But through her studies and experiences, she's realised that conflict sometimes is not something you avoid but rather something you have to tackle. So here, she breaks down helpful ways you can do it, not only this holiday season but in any similar situation.