[Brightcove "3919830808001" "" "" "auto"] Most fans of Bing Crosby remember his family from the iconic Christmas specials in which his wife Kathryn and their three grown children sang carols and palled around with celebrities like Robert Goulet and Bernadette Peters. But a new documentary called Bing Crosby Rediscovered - airing Tuesday night at 8 p.m. Et on PBS as part of the American Masters series - sheds fresh light on Crosby's first family with Dixie Lee, a shy actress who drank herself to oblivion before succumbing to ovarian cancer in 1952 at the age of 41. She and Crosby had four sons, two of whom were twins named Dennis and Phillip,...