President Barack Obama arrived in a devastated Alabama on Friday to tour the destruction left behind following one of the deadliest tornado outbreaks in decades.A series of massive storms swept the South, triggering an onslaught of dozens of tornadoes late Wednesday. Nearly 300 people have been killed across six states as a result of the storms.Obama touched down in Tuscaloosa, Alabama -- one of the hardest hit cities in the state that currently accounts for around two-thirds of the confirmed deaths.Read More... More on Barack Obama