Lisa Kudrow on her special bond with the long-lost relative

Four years ago, Lisa Kudrow was in Ireland filming P.S. I Love You when she saw the TV show Who Do You Think You Are? in which celebrities trace their ancestors.Olympic hurdler Colin Jackson was tracing his family history back to Jamaica and Panama. 'Even though I'd never seen the show before, I was hooked,' she says. 'I watched more episodes and the stories were riveting. I wondered if we