NEW ORLEANS (AP) - A man who allegedly plowed into a crowd enjoying the Krewe of Endymion parade on Saturday in the Mid-City section of New Orleans is being investigated for driving while intoxicated, police said.The accident came during one of the busiest nights of Mardi Gras when thousands of people throng the streets of Mid-City to watch the elaborate floats and clamor to catch beads and trinkets tossed from riders.