In simultaneous surveys, the U.S. senator from Vermont received nearly a quarter of support from likely Democratic caucus and primary voters in the states that host the first presidential nomination balloting early next year, cutting sharply into Clinton’s still-huge lead.

The polls suggest substantive and symbolic support for the socialist, as well as a craving among some Democrats for a Clinton rival to rise. 

“I want to try to get him along as far as I can,” said Democratic poll participant John Murphy, 74, a retired railroad worker in West Des Moines, Iowa. “He’s going to bring up some issues that she may not want to talk about.”