Guilty! One of the nation's premier newspapers fesses up about allegations of pro-Obama bias. The Washington Post's ombudsperson, Deborah Howell, tracked its presidential campaign stories, front-page coverage and use of photos covering the period from Obama's nomination on June 4 to Election Day. The result? Howell writes: "The op-ed page ran far more laudatory opinion pieces on Obama, 32, than on Sen. John McCain, 13. There were far more negative pieces about McCain, 58, than there were about Obama, 32, and Obama got the editorial board's endorsement. … "Stories and photos about Obama in the news pages outnumbered those devoted...