The official White House Christmas tree this year is festooned with ornaments from more than 369 artists chosen by senators and representatives. Conspicuously absent are any ornaments selected by our local dream team of Cuban-American Republicans. Did they not get the memo? Even disgraced sex fiend Tim Mahoney participated. Certainly we have enough talent in town to make some balls; whether they'd want them on Bush's Christmas tree is another question. Assuredly one of them would have called up,