“Former vice president Joe Biden is now the presumptive Democratic nominee for president — after a primary involving months of campaigning, 28 Democratic candidates and over $1 billion in ads," he writes. "Did any of that affect the result? Not much, our research suggests — but they weren’t meaningless.”
Serge Petchenyi/Cornell University
From left, Steven Jackson, vice provost for academic innovation; Derina Samuel, Center for Teaching Innovation (CTI) associate director; Cornelia Ye Outstanding Teaching award winners Judith Tauber and Amanda Domingues; and Rob Vanderlan, CTI executive director.