We're in the midst of a demographic shift resulting from increasing longevity. Life-spans have nearly doubled in the last century due to advances in science and sanitation, and lives grow longer each year. The odds are that millennials and the generations that follow will experience significantly longer lives.
Americans deserve to know about a presidential prospect's health, and questions about experience and integrity are, of course, legitimate areas of inquiry. But to imply that Hillary -- or any candidate -- should be discounted based on advancing age goes too far. Age is an asset; it's no disqualifier.