The NAACP is calling on Sarah Palin and Dick Armey to forcefully denounce what the civil rights group calls racism in the ranks of the tea party movement. In a call with reporters to tout a new report on some tea partiers' ties to hate groups, NAACP president Benjamin Todd Jealous slammed the former Alaska governor for working with the Tea Party Express, whose now-expelled leader, Mark Williams, ignited a firestorm earlier this year after a string of racist and anti-Muslim comments. In response to a question from The Upshot, Jealous charged that the Tea Party Express, a prominent tea...