PRESIDENTIAL NEWS OF THE DAY: The President and First Lady have spent a quiet day in the White House today prior to attending the annual correspondents dinner this evening. President Bush joins the reporters who cover him tonight at their annual Washington banquet, the White House Correspondents' Association dinner. Bush has attended every correspondents' dinner since he took office, and he says he's looking forward to this one. The White House isn't saying what the Bushes are planning for this year in the way of Washington humor. Last year, the first lady interrupted the president's after-dinner speech with one of...