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BURBANK, CA - APRIL 25: Actors Leonard Nimoy and William Shatner attend the 19th Annual 'Hollywood Charity Horse Show' at the Los Angeles Equestrian Center on April 25, 2009 in Burbank, California. (Photo by Mark Davis/Getty Images)

BURBANK, CA - APRIL 25: Actors Leonard Nimoy and William Shatner attend the 19th Annual 'Hollywood Charity Horse Show' at the Los Angeles Equestrian Center on April 25, 2009 in Burbank, California. (Photo by Mark Davis/Getty Images)