Article snippet: CEDAR RAPIDS, Iowa — Senator Bernie Sanders was holding court on the topic of health care for senior citizens last weekend when a bespectacled supporter asked about the health of one particular senior citizen: Sanders himself. “What’s the prognosis of your heart attack,” he asked, “and the future of Bernie?” Sanders, the 78-year-old presidential candidate, gripped the microphone and leaned over his lectern to somberly recount the last month of his medical history: the blocked artery, the hospital stay, two stents. But his voice rose as he bragged about the pace of his campaign now — four events that day, plus a long walk. “Getting a little tired, but you would too,” Sanders practically yelled, lifting his arms for a shrug as the voters in front of him laughed and cheered. “I’m feeling good.” In a normal political universe, a heart attack befalling the oldest candidate in a race would mark the beginning of the end of their candidacy. But nothing about Sanders’ rise in politics has been normal, and he has — improbably — managed to emerge from the health crisis with higher poll numbers and more momentum than he had before. The development has further scrambled the top tier of an increasingly unsettled Democratic primary race, and poses a renewed threat to Senator Elizabeth Warren, who appeared to be locking down much of the party’s liberal wing when Sanders’ polling was lagging over the summer and early fall. During the past three weeks, Sanders has secured key end... Link to the full article to read more