UPDATE 1-Ackman says shutting Herbalife down is key to him
March 30, 2015 at 17:56 PM EDT
WASHINGTON, March 30 (Reuters) - Hedge fund mogul William Ackman, who has spent more than two years accusing Herbalife Ltd of running a pyramid scheme, said on Monday that shutting down the company is "one of the most important things" he can do.