Former Vice President and Democratic presidential candidate Joe Biden speaks at a rally with members of a painters and construction union, Tuesday, May 7, 2019, in Henderson, Nev. (AP Photo/John Locher)
In this April 26, 2016, file photo, Danny Tarkanian participates in a Republican debate for Nevada's 3rd Congressional District in Henderson, Nev. (AP Photo/John Locher, File)
Republican presidential candidate Ben Carson speaks at a rally Sunday, Nov. 15, 2015, in Henderson, Nev. Carson spoke at a church in Las Vegas earlier in the day before speaking to a crowd at the rally in Henderson, Nev. (AP Photo/John Locher)