04-05-09 Mullen says Pakistan nukes are secure

The Pentagon’s top military officer says he’s comfortable that Pakistan’s nuclear weapons remain secure,but is gravely concerned about Taliban advances there and in Afghanistan.He says the U.S. has worked with the Pakistanis to improve the security of their nuclear arsenal and he believes that country’s military is focused on keeping them secure.He also said Monday the worst-case scenario is that Pakistan's weapons would fall into the hands of terrorists.But he said he doesn’t think that’s going to happen.Mullen spoke at a Pentagon news conference on his recent trip to the region