BY JOE CONASON Mythology is overshadowing history in the debate over President Barack Obama’s plan to stimulate the depressed economy. Excessive airtime is devoted to the prejudices of cable hosts and radio personalities who regurgitate ideas they barely understand [and who haven’t entertained an original thought since the Reagan era]. Urgent action that could prevent enormous suffering is delayed by all the same old agendas that have dominated Washington for the past three decades. So […]