The FBI is investigating allegations that self-styled "Painter of Light" Thomas Kinkade and some of his top executives fraudulently induced investors to open galleries and then ruined them financially, former dealers contacted by federal agents said. Investigators are focusing on issues raised in civil litigation by at least six former Thomas Kinkade Signature Gallery owners, people who have been contacted by the FBI said. ADVERTISEMENTThe ex-owners allege in arbitration claims that, among other things, the artist known for his dreamily luminous landscapes and street scenes used his Christian faith to persuade them to invest in the independently owned stores, which...