Back in early May, former New York City Mayor Rudy Giuliani said he “can probably be talked into” running for the Republican presidential nomination in 2012. A new poll has done some “talking.” The CNN/(Opinion Research Corporation) survey released on Friday found Giuliani leading the pack of potential GOP candidates with 16 percent of the vote among Republicans and independents who lean toward the GOP. Mitt Romney is second with 15 percent, followed by Sarah Palin (13 percent), Ron Paul (12 percent), and Herman Cain (10 percent). The other potential candidates had single-digit percentages. “Call it a sign of how...