A GOP strategist unleashed an attack on Kamala Harris that was dripping in sarcasm Thursday after losing his cool over positive media coverage of the Democratic Party’s presumed presidential candidate. Doug Heye was on CNN as the vice president finished a rally speech in Houston. As his co-guest, Democratic Party strategist Maria Cordona, finished praising the candidate’s performance, Heye got flustered. Want more breaking political news? Click for the latest headlines at Raw Story. Raising his voice, he said, “Everything we heard is ‘Oh my god, Kamala Harris is the greatest thing ever. She’s …