Clinton health scare not first on White House trail

Ronald Reagan endured questions about his age and mental state and John McCain was pressured into releasing 1,000 pages of medical records. Hillary Clinton, diagnosed with pneumonia, is hardly the first White House candidate whose health is under the spotlight. The announcement that Clinton scrapped a fundraising trip to California Monday and Tuesday in the heat of a tightening presidential race dealt the Democrat a blow as she seeks to fend off the Republican Donald Trump -- and douse swirling