>> i knew that i wanted to do something to help people like her who wished they could live a better life. good job! i asked for 50,000 people in vicksburg to lose only half a pound. they beat the challenge. >> so you made it. i decided to make the challenge permanent because we did not reach enough people. we have a walking club and a nutrition program. on saturday, the gym is open for free. >> change stations, everybody. you have to give them the tools and opportunities to want to do better and they will jump at the chance to do better. >> she takes no prisoners. she's committed to community involvement as we wrap our arms around the obesity issue. >> it's to benefit my life. besides that, it gets me off the couch.