A ‘tea party of the left’? Liberal activists learn tough lessons in quest to purify Democratic Party

Liberal activists across the country are eager to harness the energy of the Trump resistance to push the Democratic Party to the left on core social and economic issues, particularly before the party chooses its next presidential nominee in 2020.

But first they must figure out what went wrong Tuesday in Illinois.

That was the day an army of liberal groups and activists who had converged on the Chicago suburbs to engineer the primary defeat of an antiabortion Democratic congressman, Rep. Daniel Lipinski, and replace him with a candidate more suited to the deep-blue district, instead watched Lipinski notch a win. CONT.

David Weigel, Washington Post