David and Carolyn Wells raised their children, sent them to college and saved up for retirement. But this hardworking Knoxville couple never imagined having to raise their grandchildren. They knew their son and daughter-in-law were struggling. And they worried that their granddaughters weren't getting proper care. When the child welfare agency threatened to step in, however, there was only one choice. At 51, they became parents once again.
"It was a nightmare at first," explains Carolyn, now 62. "Both children… more
