Powell: GOP has 'a dark vein of intolerance' By GINGER GIBSON | 1/13/13 11:05 AM EST While continuing to identify as a Republican, former Secretary of State Colin Powell on Sunday criticized the GOP for a series of racist attacks against President Barack Obama. "There's also a dark vein of intolerance in some parts of the party," Powell said on NBC's "Meet the Press." "What do I mean by that? What I mean by that is they still sort of look down on minorities." Powell, who endorsed Obama, pointed to a number of statements that were directed at Obama as...