However , President Truman campaigned hard and despite some newspapers ( like the Chicago Daily Tribune ) calling the election early for Dewey , Truman pulled out one of the biggest upsets in election history .
This made Republican candidate Thomas Dewey the favorite to win the election .
President Truman campaigned hard and despite some newspapers ( like the Chicago Daily Tribune ) calling the election early for candidate , Truman pulled out one of the biggest upsets in election history .
This made Republican candidate Thomas Dewey the favorite to win the election .