Isaac crossing Gulf with New Orleans in crosshairs

KEY WEST, Fla. — Tropical Storm Isaac targeted a broad swath of the Gulf Coast on Monday and had New Orleans in its crosshairs, bearing down just ahead of the seventh anniversary of Hurricane Katrina.

The potential for a landfall as a Category 1 hurricane as soon as Tuesday prompted evacuations along a wide area of the Gulf Coast and sent people out to stock up on staples.

AP Photo/Gerald Herbert

Workers move horses into trailers 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, w...