Ahead of Iowa caucuses, only 40% of voters have made up their mind
The poll interviewed 700 likely caucusgoers between January 2 and January 8.
Former Vice President Joe Biden speaks as South Bend Mayor Pete Buttigieg, Senator Elizabeth Warren, and Senator Bernie Sanders all listen during the Democratic U.S. presidential candidates 2020 campaign debate at Loyola Marymount University in Los Angeles, California, U.S., December 19, 2019(photo credit: MIKE BLAKE/ REUTERS)
