Iguanas stunned by cold temperatures dropped from trees in usually balmy Florida on Sunday as icy conditions blasted southern US states, dumping nearly a half metre of snow in some areas and whipping up high winds that caused traffic chaos. The heaviest snows were reported in North Carolina - a state that rarely sees snow other than in its highest elevations. The city of Lexington saw 40cm (16 inches), and Faust in the state’s Walnut Mountains got 56cm (22 inches). State Governor Josh Stein...