Photo Gallery: Hurrricane Isaac 38/70

A horse is loaded into a trailer by workers at the Fair Grounds Race Course & Slots, after a mandatory evacuation of the animals was issued by the track, in preparation for Tropical Storm Isaac, which is expected to become a hurricane as it moves into the Gulf of Mexico, in New Orleans, Sunday, Aug. 26, 2012. (AP Photo/Gerald Herbert) ORG XMIT: LAGH102