The logjam of nearly two dozen declared or likely Democratic presidential candidates is overwhelming public pollsters trying to measure the 2020 primary.
New surveys are cramming up to 23 Democrats into their questionnaires after the Democratic National Committee set a low, 1 percent polling threshold to gain admittance into the party’s first primary debates. The miles-long list of candidates has created an unusual set of methodological challenges for pollsters already battling declining engagement with their surveys. CONT.
Steven Shepard, Politico
Recent polls: Democratic presidential preference