Amid a life-changing cancer battle, Kate, Princess of Wales, is reportedly hopeful that Prince William can eventually reconcile with Prince Harry. “Kate looks at Harry, and she sees a very lost soul,” a royal source spilled to an outlet. “She’s still incredibly fond of him and so saddened that it’s come to this situation where he’s completely excommunicated himself from the whole family and there now seems to be this wall that can’t be broken down.” The insider added how the future queen feels that “life’s too short for grudges” and wants her husband to “give peace a chance.” “She really wants…