Rudy Giuliani now comes in a new package. Social conservatives still aren’t buying it. “It’s a sleight of hand,” said Bob Barr, a former Georgia Congressman and champion of small government. “On issues that I consider extremely important to conservatives, such as respect for the Second Amendment, he is nowhere near even remotely in the ballpark of a conservative philosophy.” The famously resolute, plain-spoken and uncompromising former Mayor has unveiled new shades of nuance to go along with his historically liberal positions on abortion, gun control and gay marriage, which pose the major obstacles to his pursuit of the Republican...