In this July 2, 1999 file photo, killer whale Kalina, right, and her 10-day-old son Baby Shamu swim at SeaWorld in Orlando, Fla. Floats in the Macy's Thanksgiving parade, which carry celebrities, beauty queens and dancing costumed characters, can usually be counted on to be controversy-free. Not this year. Parade organizers are the target of protests and a petition drive to drop a SeaWorld float over accusations in a new documentary that the parks treat killer whales poorly. (AP Photo/SeaWorld Orlando, Steve Szerdy, File)

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