u.s. >> we'll take it. thanks, jacqui. will a weight loss challenge shape up vicksburg? linda fonderin is helping her hometown battle the bulge. residents have lost 15,000 pounds thanks to this week's cnn's hero. >> mississippi has held the title of being the most obese state for six consecutive years. my sister passed away at the age of 54. cancer took her life, but obesity restricted her from living it. you have made a commitment for a healthy community. let's walk! i knew that i wanted to do something to help people like her who wished they could live a better life. my name is linda fondre nerc and i challenged my community to the 17,000 pound weight loss challenge. i asked 50,000 people in