Some 10 million Americans are considered severely obese. That means they're at least 100 pounds overweight. A growing number of severely obese people are turning to gastric bypass surgery as a last-ditch solution to their weight woes. The procedure is controversial. It can lead to serious health complications. But supporters say the surgery helps shed pounds and save lives. Mainstreet Radio's Tom Robertson has this next installment in our weeklong series "The Fight Against Fat."... {