By Rebecca Russell & Joseph Wilkes Prince Harry has landed himself in a “tricky situation” says Royal commentator Jennie Bond \- who suggests there can be “only three possible conclusions” to draw from the controversy surrounding his US visa application. Harry’s potential US visa case could result in an “embarrassing outcome” for the Prince who “does seem to have boxed himself into a tight corner”, Jennie believes. The Heritage Foundation, an American conservative think tank, initiated legal proceedings after alleging that the Duke either misrepresented his past drug use on his visa applicatio…