Among those now excited by the successes of the left are Barack Obama, who has returned to public life this week in a speech praising Medicare for all: “Democrats aren’t just running on good, old ideas like a higher minimum wage. They’re running on good, new ideas like..…

Biden candidacy would serve as reminder of the many flaws of establishment that number of Democrats would like to overthrow, s. But Paul Waldman writes, First, Democrat proposes idea — such as Medicare-for-all or tax increases on the wealthy. ..…