Former New York Mayor Rudy Giuliani said he is “more likely” to run for president in 2012 if former Alaska Gov. Sarah Palin makes a bid, according to snippets from an interview to air on CNN Monday night released on Twitter. “The more Republicans in which I can show a contrast, probably the better chance, the better chance that I have,” Mr. Giuliani is quoted as saying on CNN host Piers Morgan’s Twitter account. “My one chance, if I have a chance, is that I’m considered a moderate.” The implication being that Ms. Palin, a tea party favorite, is not...