Poll: Science doubters say world is warming

The Associated PressMELTING: In this July 26, 2011 photo, a Greenlandic Inuit hunter and fisherman steers his boat past a melting iceberg, along a fjord leading away from the edge of the Greenland ice sheet, near Nuuk, Greenland. Nearly 4 out of 5 Americans now think temperatures are rising and that...