By Yelena Mandenberg In an unusual display of emotion for the Trump family, 17-year-old son Barron Trump was seen extending a hand of comfort to his dad Donald at the funeral of Melania’s mother in Florida. A photo caught the moment 17 year old Barron, who is much taller than his dad, reach out to touch his father, who looked sad at the sombre occasion. Donald had said he felt ‘very sad’ about losing his mother-in-law, Amalija Knavs. Body language expert Judi James noticed the Trumps acting differently at the funeral. “It elicits an unusual response from their son Barron, too. Clearly tuned in…