From the amount of buzz Manny Diaz has generated in the past year, you'd think he was the greatest mayor ever. Sure, he's amazing in comparison to some of the other wackos who have held his job, but damn, this city still has a lot of problems. US News & World Report's annual "America's Best Leaders" hits newsstands Monday, but it's already online, and Diaz has made a list of 21 luminaries, including Lance Armstrong, Herbie Hancock, Defense Secretary Robert Gates, and Children's Defense Fund fo
