[Ed. – This seems to be partly because he hasn’t been written off in spite of a heart attack.]
Democratic insiders said they are rethinking Sanders’ bid for a few reasons: First, Warren has recently fallen in national and early state surveys. Second, Sanders has withstood the ups and downs of the primary, including a heart attack. At the same time, other candidates with once-high expectations, such as Kamala Harris, Cory Booker and Beto O’Rourke, have dropped out or languished in single digits in the polls.
“I believe people should take him very seriously. He has a very good shot of winning Iowa, a very good shot of winning New Hampshire, and other than Joe Biden, the best shot of winning Nevada,” said Dan Pfeiffer, who served as an adviser to former President Barack Obama. “He could build a real head of steam heading into South Carolina and Super Tuesday.”
The durability of Sanders’ candidacy has come as a surprise even in some states where he performed strongly in 2016 …