On its face, President Donald Trump's immediate insistence that he would not participate in a virtual second debate made very little political sense. After all, he needs more chances to take on Joe Biden, as the former VP continues to rise in the polls. Upon further examination, though, Trump's decision makes sense for one reason and one reason only. He sees this as an opportunity to continue to build the case, if he loses this November -- for why.
Doctors have been searching for precise indicators of the health of their patients at least since the early 1600s, when a professor of medicine, Santorio Santori, helped perfect devices to measure body temperature and pulse rate. His goal, as Fabrizio Bigotti wrote, was "medical mathematics."