Lisa Ling On 'Dangerously Overweight' Kids

For the first time in U.S. history, the youngest generation is expected to have a shorter lifespan than their parents -- the result of childhood obesity. In the latest episode of "Our America with Lisa Ling" -- entitled "Generation XXL," Ling travels to the state of Georgia, where 40 percent of children are dangerously overweight. See Lisa Ling's full report on Generation XXL on "Our America with Lisa Ling," airing Jan. 29 at 10 p.m. ET on OWN.