WASHINGTON - The political and celebrity worlds were joining forces to honor journalists for their coverage of the White House and the downfall of a corrupt congressman. Continuing a tradition begun by Calvin Coolidge, President Bush planned to attend the annual dinner Saturday that is hosted by the White House Correspondents' Association. "I will see you all tomorrow night, I guess," Bush told reporters at the White House on Friday. "Looking forward to it. I hope you are, as well." Booked as the featured entertainer was Stephen Colbert, whose Comedy Central show "The Colbert Report" often lampoons the Washington establishment....