Former Independent Women's Forum Chief Bernard: Limbaugh Pressures Conservatives To “Toe The Line” Written by Media Matters Staff Published 03/04/12 2:46 PM EST From the March 4 edition of MSNBC's Up with Chris Hayes: Video file Previously: “Number One voice for conservatism” Rush Limbaugh wastes no time leading assault on Obama Media claim White House has thrust Limbaugh into limelight -- but Limbaugh and GOP have done this for years