Warren comes under new pressure over Medicare for All and higher taxes

Sen. Elizabeth Warren (D-Mass.) is coming under increasing pressure from her 2020 rivals to spell out how she’d pay for her “Medicare for All” proposal.

The pressure comes as Warren builds momentum in the presidential primary race and suggests she is likely to come under a harsher spotlight as other candidates seek to compete with her for the 2020 Democratic nomination.

Warren has been asked several times whether taxes would have to go up on the middle class to pay for her universal health care plan, most notably at the...