What’s next for Arizona’s U.S. Senate seat?

TUCSON (KVOA) --Arizona's U.S. Senate election has been one of the most expensive and hotly contested races in the Grand Canyon State.
The race between incumbent Republican Martha McSally and Democratic hopeful Mark Kelly has been a long one with Kelly joining the race back in February 2019.The Associated Press has declared Mark Kelly the winner although as of Wednesday evening, McSally has not yet conceded.
So once a winner is officially declared what's next?In this special election, the winnin