>> the hurricane has been downgraded to a tropical depression. mike is in new orleans tonight surveying the aftermath. the hurricane slammed into louisiana on sunday as a category four. >> it was loud. we could hear things hitting th house. hitting the vehicles. we heard a lot of crashing sounds. >> high wins wreaking havoc downing power lines. uplifting trees throughout southern louisiana. a bridge damaged in southern ne orleans. the slow-moving storm is still causing flooding throughout the region. the president meeting virtually