Politicians and activists throughout the ideological spectrum use fear tactics to win.Candidate Barack Obama portrayed Mitt Romney as an evil destroyer of businesses, even though Mitt’s company saved many more companies than it lost.The attack ad succeeded.Republicans market “fear the socialist Bernie Sanders.” Mike Huckabee claims Obama’s terrible Iran acquiescence with lead Israelis to “the doors of the ovens.” Liberals scream for you to fear the scary Tea Party and fear Dr. Ben Carson and his weird religion.Why?