Now that President Obama and his Justice Department refuse to defend the Defense of Marriage Act in federal court, an expert on the legal fights to preserve traditional marriage says it’s up to Congress to pick up the baton and defend the law it passed 15 years ago. So will the GOP House do that? Why would Congress have a very good chance of winning in court if it did take up the defense of DOMA? What should we make of the executive branch simply deciding not to defend a law anymore? And how could Obama deciding to abandon DOMA actually be a good thing for traditional marriage? We ask Jim Campbell, litigation staff counsel at the Alliance Defense Fund.