20. Katrina vanden Heuvel
Editor, The Nation
Long a pillar of the graying hippie left, The Nation’s vanden Heuvel has gradually worked her way on to a non-negotiable seat at the Big Media table. After all, what could be more mainstream than a weekly column for The Washington Post (whose editorial page editor recently hired Marc Thiessen, of the Bush administration)? She is a fixture, too, on CNN and MSNBC, where she plays a thoughtful foil to more boisterous commentators.