On Hugh Hewitt’s radio show Thursday night, National Review columnist Mark Steyn, author of “After America: Get Ready for Armageddon,” said President Barack Obama gave an embarrassing performance Wednesday during his campaign swing through Las Vegas, Nev., in the wake of attacks on U.S. diplomatic stations in Libya and Egypt. “I thought that thing last night with the president saying he had ‘a tough day’ and comparing the dead Americans in Libya to campaign supporters, which he did — I thought was one of the most disgraceful, inept and embarrassing performances by a head of state or government that I...