A former communications strategist for Ben Carson’s 2016 presidential campaign dropped a profanity on live TV during a CNN discussion over J.D. Vance and how a surrogate should defend Donald Trump’s recent comments. Jason Osborne joined panelists including political commentator S.E. Cupp, Democratic strategist Aisha Mills and ESPN commentator Bomani Jones on “Newsnight” Thursday night. The discussion moved to Trump’s comments at a conference with the National Association of Black Journalists, in which he questioned Kamala Harris’ racial identity. Trump said Wednesday: “I have known her a long …