Genny and Harry Rietze, with baby Hugh, were among the crowd of thousands who lined the streets in downtown Whitehorse to greet Prince William and Kate Middleton last Tuesday. Also there from Haines were Laura and Manuel Rogerswith their children. The Duke and Duchess’ day in Whitehorse included a trip to the MacBride Museum for a First Nations language lesson, where they used new technology to “tweet” a message with a World…