Michelle Obama is revealing what it's like for Christmas with the former first family. The New York Times best-selling author will appear on "The Jennifer Hudson Show" for an exclusive interview on Tuesday, December 17. In a sneak peek clip, the former first lady opened up about the holidays in Hawaii, who the hardest person is to shop for in the family, and more. The Obama family loves to visit Hawaii for Christmas, which is where Barack Obama is from. Michelle, who recently opened up about her fears, quipped during the interview, "You know my husband grew up in Hawaii—one...