This chart is from the Hampton University Center for Public Policy Poll. They questioned 1,126 registered voters who self-identified as Democrats between May 29th and June 6th, and the survey has a margin of error of 4.3 points.
This chart is from the Hampton University Center for Public Policy Poll. They questioned 1,126 registered voters who self-identified as Democrats between May 29th and June 6th, and the survey has a margin of error of 4.3 points.