The jeers and boos of Sanders diehards ring out in Philadelphia, before the Democrats at last make Hillary a historic nominee. But is shattering a glass ceiling enough for Clinton and Kaine to unite the party into a winning coalition?

With revelations of Clinton's pneumonia and scrutiny surrounding Trump's medical records, the question of their fitness to lead takes a physical turn. As both campaigns try to punt the issue can the seconds-in-command handle the heat?