 Moderator Tom Brokaw of NBC News opened the debate by stating that since the first debate, a lot had changed in the world and for the worse.While Brokaw did not ask the initial questions, he did ask follow-up ones.When the candidates were asked who they would consider as the next Secretary of the Treasury, John McCain said that he might concur with Obama's suggestion of Berkshire Hathaway CEO Warren Buffett and then went on also to suggest former eBay president Meg Whitman.