The party identification of American voters was one of the most hotly debated topics among analysts before the 2012 presidential election. Many Republicans thought there were roughly equal numbers of Democrats and Republicans, and so doubted polls showing President Obama with the lead. In the end, the polls were right. This week, a Pew Research report based on about 25,000 interviews in 2014 took a new measure of partisanship. Here are the most interesting findings: CONT.
Nate Cohn, New York Times