Michael Moore is taking America's temperature again. Moore, who won the top honor at the 2004 Cannes Film Festival with "Fahrenheit 9/11," plans a followup to resume his examination of the nation's status in the world in the years since the Sept. 11 attacks. "Fahrenheit 9/11," the only documentary to top $100 million domestically at the box office, was a harsh, hilarious critique of George W. Bush and his administration in the wake of the attacks. The as-yet-untitled followup will have a longer-term approach, film executives overseeing the project said Wednesday. "That movie was about a moment in time, a...