good morning. party crashers. an uninvited couple slipped through security to attend the obamas first white house state dinner, rubbing elbows, even posing for pictures alongside the likes of vice president joe biden. in this day in age of heightened security, how can such an alarming breach happen? frightening scene. an out-of-control taxi crashes through a store, knocking over two children, and it was all caught on tape. and time for turkey. last-minute thanksgiving preparations under way all across the country and overseas. and also right here in new york for the 83rd macy s thanksgiving day parade, and we ve got your first look at all the balloons, performers and participants, today, thursday, november 26th, 2009. captions paid for by nbc-universal television and welcome to today on this thanksgiving morning. i m natalie morales. and i m hoda kotb. happy thanksgiving to everyone out there and to you, too. so glad to have you. we ve never got to do this bef