The chart above is from the new CBS News Battleground Tracker / YouGov Poll -- done between January 16th and 23rd of 8,593 Democratic voters in the 14 Super Tuesday states, and has a margin of error of 1.6 points.
Joe Biden, Bernie Sanders, and Elizabeth Warren remain far ahead of their competitors in the Democratic race. Pete Buttigieg still has trouble getting traction outside of Iowa, and in fact has been overtaken by Michael Bloomberg (who has spent over a hundred million on advertising in the Super Tuesday states.
