Why Democratic voters can’t make up their minds

The campaign for the 2020 Democratic presidential nomination is radically unsettled because the party’s primary voters are in a deeply uncertain mood. They try on candidates, find them wanting and move on to someone else.

Further confusing the contest is the success of two candidates, former vice president Joe Biden and Sen. Bernie Sanders (I-Vt.), in maintaining bases of support large enough to block the way of other contenders. CONT.

E.J. Dionne Jr., Washington Post