Attorney General Eric Holder has given the nod to his state counterparts that they do not have to defend laws they consider discriminatory -- effectively giving the green light for states to stop defending bans on gay marriage. Holder addressed the issue during a gathering of state attorneys general on Tuesday, after detailing his position in a New York Times interview. Speaking to the National Association of Attorneys General, Holder said that any decision not to defend individual laws must be "exceedingly rare" and reserved for "exceptional circumstances." He indicated that legal challenges to gay marriage bans would qualify as...