Rick Harrison of 'Pawn Stars' Posts Touching Tribute to Late Son: 'Always in My Heart!'

"Pawn Stars" head honcho Rick Harrison is mourning his son Adam, who died of a drug overdose Friday at 39. "You will always be in my heart!" Rick posted on Instagram. "I love you Adam." He ended his tribute with a broken-heart emoji. In the picture, the family resemblance between Rick and Adam -- who did not appear on "Pawn Stars" -- is remarkable. Adam's brother Corey posted a sweet photo of the two of them sharing a bathtub as small children. He captioned it, "Wax wtf I will always love you bu...