Add Yahoo as a preferred source to see more of our stories on Google. President Dwight Eisenhower and his wife, Mamie, left, with Vice President Richard Nixon and his wife, Pat, greet crowds after ...

In response to national pollsters’ failure in forecasting election outcomes in 1948 and 1952, The New York Times pursued in 1956 a weeks-long, multi-state exercise in on-the-ground reporting to assess ...

W. Joseph Campbell does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...