By Chiara Fiorillo Prince Harry and Meghan Markle developed “a new gesture of togetherness” on their visit to Nigeria as they were seen holding each other’s wrists on two separate occasions, a body language expert has said. Meghan used the gesture “like a fond mum steering her child”, but the Duke of Sussex appeared to be using it “a little awkwardly” as though he was “presenting his beautiful wife to the people of Nigeria”, said Judi James. During their visit, the couple showed “a need for flexibility” in their body language which was far from “all the usual royal entourage”, the expert added…