Douglas Mason/Getty ImagesHall & Oates’ John Oates has been named celebrity ambassador for Teenage Cancer America, the cancer charity co-founded by The Who’s Roger Daltrey and Pete Townshend. “I'm thrilled to share that I'll be serving as a Celebrity Ambassador for @teencanceramerica,” Oates writes on Instagram. “This special organization aims to enhance survival rates and the well-being of teenagers and young adults with cancer by transforming hospitals to cater to their unique needs.” He adds, “Cancer has touched many of us, and I'm truly excited about the chance to as...