Most memorable malfunction: For once, Giuliani didn't seize an opportunity to bring up 9/11 — glossing over the deadly terrorist attacks while claiming "we didn't have any successful radical Islamic terrorist attack inside the United States" in the eight years before Obama's presidency. "They all started when (Hillary) Clinton and Obama got into office," he said, though the Twin Towers fell while President Bush — and himself, as the mayor of New York City — were in office at the time. He later told the Daily News his "misinterpreted" remark was the product of the "abbreviated language" he uses.