Democrat Mark Kelly flips Republican Senate seat in Arizona

U.S. Sen. Martha McSally, R-Ariz., walks her dog Boomer to greet voters at a polling station early, Tuesday, Nov. 3, 2020, in Mesa, Ariz. (AP Photo/Matt York)

U.S. Sen. Martha McSally, R-Ariz., hugs her dog Boomer prior to greeting voters at a polling station, Tuesday, Nov. 3, 2020, in Mesa, Ariz. (AP Photo/Matt York)

Mark Kelly, right, Arizona Democratic candidate for U.S. Senate, waves to supporters along with his wife Gabrielle Giffords, second from right, and daughters, Claire Kelly, left, and Claudia Kelly, second from left, during an election night event Tuesday, Nov. 3, 2020 in Tucson, Ariz. (AP Photo/Ross D. Franklin)

Arizona Republican Sen. Martha McSally sings "God Bless America" as she campaigns at Arizona Republican Party Headquarters Monday, Nov. 2, 2020, in Phoenix. McSally is running against Democratic candidate Mark Kelly in the election set for tomorrow. (AP Photo/Ross D. Franklin)

Mark Kelly, Arizona Democratic candidate for U.S. Senate, waves to supporters as he speaks during an election night event Tuesday, Nov. 3, 2020 in Tucson, Ariz. (AP Photo/Ross D. Franklin)

Mark Kelly, Democratic candidate for the U.S. Senate, greets voters at a polling station early, Tuesday, Nov. 3, 2020, in Phoenix. Kelly is seeking to unseat incumbent Martha McSally. (AP Photo/Matt York)

Mark Kelly, Democratic candidate for the U.S. Senate, greets supporters at a polling station, Tuesday, Nov. 3, 2020, in Phoenix. Kelly is seeking to unseat incumbent Martha McSally. (AP Photo/Matt York)

Mark Kelly, Democratic candidate for the U.S. Senate, greets voters at a polling station, Tuesday, Nov. 3, 2020, in Phoenix. Kelly is seeking to unseat incumbent Martha McSally. (AP Photo/Matt York)

Arizona Republican Sen. Martha McSally campaigns at Republican Party Headquarters Monday, Nov. 2, 2020, in Phoenix. McSally is running against Democratic candidate Mark Kelly in the election set for tomorrow. (AP Photo/Ross D. Franklin)

Mark Kelly, right, Arizona Democratic candidate for U.S. Senate, waves to supporters along with his wife Gabrielle Giffords, second from right, and daughters, Claire Kelly, left, and Claudia Kelly, second from left, during an election night event Tuesday, Nov. 3, 2020 in Tucson, Ariz. (AP Photo/Ross D. Franklin)

Mark Kelly, Arizona Democratic candidate for U.S. Senate, gestures as he speaks at an election night event Tuesday, Nov. 3, 2020 in Tucson, Ariz. (AP Photo/Ross D. Franklin)

Mark Kelly, Arizona Democratic candidate for U.S. Senate, gestures as he speaks during an election night event Tuesday, Nov. 3, 2020 in Tucson, Ariz. (AP Photo/Ross D. Franklin)