LAS VEGAS, NEVADA - APRIL 27:  Democratic presidential candidate U.S. Sen. Elizabeth Warren (D-MA) speaks at the National Forum on Wages and Working People: Creating an Economy That Works for All at Enclave on April 27, 2019 in Las Vegas, Nevada. Six of the 2020 Democratic presidential candidates are attending the forum, held by the Service Employees International Union and the Center for American Progress Action Fund, to share their economic policies.  (Photo by Ethan Miller/Getty Images)