Over the weekend, John McCain said Barack Obama's "word cannot be trusted." Retired General Wesley Clark, supporting Obama, said about McCain, "I don't think riding in a fighter plane and getting shot down is a qualification to be President." Today Obama went to Independence Missouri, Harry Truman's hometown, to talk about patriotism and sacrifice. Don Frederick, an editor at the Washington Bureau of the Los Angeles Times, blogs at the paper's Top of the Ticket.