Today on the presidential campaign trail (AP)

Retired Gen. Merrill 'Tony' McPeak introduces Democratic presidential hopeful Sen. Barack Obama D-Ill., at a rally at the University of Oregon in Eugene, Ore., Friday, March 21, 2008.(AP Photo/Alex Brandon)AP – Obama campaign says Bill Clinton should know better than to attack patriotism … Clinton as senator: Small steps, home-state cheerleading and unexpected comity with the GOP