Prince Harry was “tactful” in his public response to Mary Tillman following severe backlash, a royal commentator has claimed. The Duke of Sussex received a memorial award set up in the name of Pat Tillman at a glitzy event in Los Angeles last week. Tillman gave up a career in the NFL to enlist as an Army Ranger in 2002 and served in Iraq and Afghanistan, where he was killed by friendly fire in 2004. When announced the royal would receive the award, Mary Tillman, Pat’s mother, hit out at the decision branding the Duke of Sussex “divisive”. Harry, a veteran himself, began his award speech by ack…