chad myers is standing by for today's cnn challenge. first it's your turn. prince william and kate middleton plan to hold their wedding reception at the buckingham palace. not surprising. before the break we asked how many rooms are in the palace? the answer 775. and do you believe this, 78 of those rooms are bathrooms. nfl fans who are watching and waiting, the owners and players are locked in negotiations to extend their collective bargaining agreement. it expires tonight and if an agreement is not reached the next nfl season could be canceled. that's a topic of today's talk back. our carol costello. carol, i was at buckingham palace once for a bush trip. had a chance to use one of those rest rooms. >> one of the 78?