This time the pollsters were rich in experience. They had pondered & pondered their failure to find enough Democrats in 1948; they were not making that mistake again. So when their figures repeatedly showed Dwight Eisenhower running in front, the more experienced pollsters went into learned loops to explain why such figures were not to be trusted. Almost all of them stressed the "undecided" vote. George Gallup's final poll showed:
Once upon a time, Gallup would have ignored those undecideds; if he had done that this year, he would have come within 1% of Eisenhower's actual margin....