Republicans sometimes use it to explain election outcomes in which the media predicted that the Democratic candidate would win easily, but on election day, the Republican candidate came out on top.  
This term was less famously used in 1874 by writer and war correspondent Junius Henri Browne as a title for Harper's Magazine to describe the number of people dead being greater than the number of people living.  Republicans sometimes use it to explain election outcomes in which the media predicted that the Democratic candidate would win easily, but on election day, the Republican candidate came out on top.  In a 1963 speech, it referred to Americans that did not protest the Vietnam war or participate in the media.  For 10 points, what is this term popularized by Richard Nixon for a mass of people that do not express their opinions publicly?
This term was less famously used in 1874 by writer and war correspondent Junius Henri Browne as a title for Harper's Magazine to describe the number of people dead being greater than the number of people living.  
silent majority