LAS VEGAS, NEVADA - FEBRUARY 19: Democratic presidential candidates (L-R) former New York City Mayor Mike Bloomberg, Sen. Elizabeth Warren (D-MA), Sen. Bernie Sanders (I-VT), former Vice President Joe Biden, former South Bend, Indiana mayor Pete Buttigieg and Sen. Amy Klobuchar (D-MN) (R) participate in the Democratic presidential primary debate at Paris Las Vegas on February 19, 2020 in Las Vegas, Nevada. Six candidates qualified for the third Democratic presidential primary debate of 2020, which comes just days before the Nevada caucuses on February 22. (Photo by Mario Tama/Getty Images)