O´Brien Has National Five Aidan O´Brien dominates the entries for Sunday´s Laing O´Rourke National Stakes at the Curragh with 2000 Guineas favourite George Washington leading the charge.The Danehill colt is the general 4-1 favourite for the Classic after notching a facile success in the Phoenix Stakes last time out.George Washington could bid to make it a Group One double if he steps up to seven furlongs for the first time this weekend.O´Brien has also entered the Guineas second-favourite Horatio Nelson in addition to the Prix Morny runner-up Ivan Denisovich as part of his five-strong challenge.Aussie Rules, a close second in a Group Three race last time, and Anglesey Stakes winner Amigoni complete the Ballydoyle challenge.Mick Channon also holds a strong hand with the highly-rated Hazeymm and French Listed winner Zato entered while David Wachman could step the unbeaten Heatseeker up to the top level.Crookhaven, Duff and Golden Arrow complete the 11 possibles. ? PA Sport
