Bill Clinton Learns to Laugh at His Past By DEVLIN BARRETT, Associated Press Writer 5 minutes ago Finally, Bill Clinton can joke about his past. The former president cracked up a meeting Wednesday, spicing up an otherwise dry, technical talk on the need for better coordination of global relief work. In the midst of touting the importance of creating infrastructure to deliver aid to the developing world, Clinton conceded it was hardly the most scintillating subject to which he's been linked. "To me, it's something I want to keep working on and I like working on it because it's not...