Former Democratic presidential candidate Hillary Clinton underperformed relative to Barack Obama in 2012 among most demographic groups, according to new research published in the Journal of Political Marketing. “People have long been interested in how different demographic groups vote in elections. The role of demographics in 2016 received a lot of attention from the campaigns, media outlets, etc,” said study author Aaron C. Weinschenk of the University of Wisconsin-Green Bay. “In part, I think the fascination stemmed from the fact that the electorate in 2016 was the most diverse U.S. electorate in history and many people thought this would be...