What I'm reading this morning: 1. The Washington Post documents some ugly, ugly racism encountered by Obama staffers across the country. Representative sample: Karen Seifert, a volunteer from New York, was outside of the largest polling location in Lackawanna County, Pa., on primary day when she was pressed by a Clinton volunteer to explain her backing of Obama. "I trust him," Seifert replied. According to Seifert, the woman pointed to Obama's face on Seifert's T-shirt and said: "He's a half