Lunden Roberts, the mother of Hunter Biden’s daughter Navy, detailed how she met the embattled First Son, wound up pregnant, and still had empathy toward him amid his substance abuse struggles during a candid new interview, RadarOnline.com has learned. An excerpt detailing their bizarre first encounter from her upcoming book, Out of the Shadows: My Life Inside the Wild World of Hunter Biden, was addressed prior to its Aug. 20 release. “A lot was happening… and meeting him… he was in a dark place,” she shared. “And he was in a dark room at that time doing things that he’s been very candid about…