Hillary's fainting spell focuses renewed attention on her health

Hillary Clinton has cancelled two days of campaigning because of pneumonia — diagnosed on Friday but not revealed until she left an event yesterday and appeared to have trouble getting into a van. On Fox News this morning, Donald Trump had a muted reaction. Clinton is 68 years old, and he's 70. So what about his own health condition? Bob Cusack, Editor in Chief of The Hill, says candidates' health is a vital concern.