The myriad U.S. intelligence gathering agencies need to enhance coordination to better share information at home and abroad to prevent the next terrorist attack, advisers to presidential candidates John McCain and Barack Obama said last week. "The New York Police Department intelligence unit, I think, is the best intelligence unit in the world," John Lehman, a former Navy secretary under Ronald Reagan who advises McCain, said Sept. 10 at a conference on homeland security sponsored by the National Defense Industrial...