Ken Mehlman, President Bush’s campaign manager in 2004 and a former chairman of the Republican National Committee, made a shocking confession today in an interview with The Atlantic’s Marc Ambinger: Privately, in off-the-record conversations with this reporter over the years, Mehlman voiced support for tax increases and told of how, in private discussions with senior Republican officials, he beat back efforts to support the Bush tax cuts. The reaction by conservative pundits and leaders was praise for Mehlman following his conscience and being true to himself. Okay, not really. Maybe in an alternate universe that would happen, but in D.C....