PHOENIX, ARIZONA – OCTOBER 06: Democratic challenger Mark Kelly prepares to debate U.S. Sen. Martha McSally, R-Ariz. at the WalterRead More →

PHOENIX, ARIZONA – OCTOBER 06: Democratic challenger Mark Kelly prepares to debate U.S. Sen. Martha McSally, R-Ariz. at the Walter Cronkite School of Journalism at Arizona State University on October 6, 2020 in Phoenix, Arizona. (Photo by Rob Schumacher-Pool/Getty Images)