Here's what Arianna isn't telling you. When Newsweek hired Rove, the magazine also hired Markos Moulitsas. Kristol's once-a-week column is balanced on the Times op-ed page by Maureen Dowd, Paul Krugman, Frank Rich and Bob Herbert. And CNN almost never puts on conservative contributors without balancing them with libs; indeed, Snow appeared with Dee Dee Myers...