"Many know Kimberly Williams-Paisley as the bride in the popular Steve Martin remakes of the Father of the Bride movies, the calculating Peggy Kenter on Nashville, or the wife of country music artist, Brad Paisley. But behind the scenes, Kim was dealing with a tragic secret: her mother, Linda, was suffering from a rare form of dementia that slowly crippled her ability to talk, write and eventually recognize people in her own family. Where the Light...