With his exploratory committee now prospecting for 2008, former New York mayor Rudy Giuliani leads the GOP’s White House hopefuls. His standing atop numerous polls remains unchallenged. Also, his recent endorsement by some former critics suggests that social conservatives who explore his record might embrace him as president of the United States. Surveys consistently demonstrate that Giuliani, not Arizona Senator John McCain, is this race’s front-runner. It’s not even close. In a nationwide Rasmussen Reports survey of 1,050 Republicans and 203 GOP-leaning independents, 24 percent backed Giuliani while 18 percent chose Secretary of State Condoleezza Rice. McCain, at 17 percent,...