Barack Obama's demagogic presidency has unleashed state-sanctioned mob violence to a degree not seen since the Jim Crow era. Obama-approved lynch mobs have been helping to force the fundamental transformation of America that the radical left-wing community organizer promised on the campaign trail in 2008. Creating little armies of malcontents has long been the way Obama's fellow Marxist agitators have turned groups in society against each other in order to generate the civil unrest and societal instability needed to effect unwanted change. Sometimes thugs get things done that elections can't. Obama's presidency is a case study in defining deviancy down...