August 11, 2008 11:36 am OVERWEIGHT NATION Study claims all Americans could be overweight in coming decades. US & World Videos 2:57 Bridge Fire continues to rage as SoCal's largest active wildfire 2:36 5 myths about Hispanic household wealth debunked 1:47 ‘Trying at times': Stranded astronauts discuss sending Boeing Starliner home without them 0:38 WATCH: Train collides with 18-wheeler carrying a tank 0:59 Boar's Head to ‘indefinitely close' Virginia plant after listeria deaths