WASHINGTON -- President Bush cautioned against placing too much importance on the first anniversary of Hurricane Katrina's Gulf Coast strike, saying Wednesday it will take a long, sustained effort to rebuild the area. "It's a time to remember that people suffered and it's a time to recommit ourselves to helping them," Bush said. "But I also want people to remember that a one-year anniversary is just that, b ecause it's going to require a long time to help these people rebuild." The president promised to continue working to make sure the federal government's efforts in the rebuilding effort are efficient....