A new political group created by a prominent Republican consultant to take down the candidacy of Donald Trump has a unique strategy: convince the flamboyant billionaire’s many supporters to not vote.According to a Friday Wall Street Journal report, Trump Card LLC has issued a memo to potential donors that its intended goal is to not change the opinion of Trump’s supporters in favor of another candidate, but to keep them “from voting altogether.â€The group, founded by GOP operative and sometime columnist Liz Mair, promises to achieve this lofty goal through a “guerrilla campaign†that attacks the current Republican frontrunner for...