On Sunday's Reliable Sources, Howard Kurtz played a clip of CBS reporter Byron Pitts on Wednesday's CBS Evening News hailing Barack Obama's Democratic nomination victory as proof "one of America's oldest and ugliest color lines has been broken, and there is a new bridge for a new generation," then proposed: "You obviously are paid to be an objective journalist, but some part of you must be excited that Barack Obama won this nomination." Pitts confirmed his excitement: "Well, certainly. I mean, as an African-American man, this is significant. I mean, look, for my entire life I've been able to, as...