Arizona's Republican primary for the U.S. Senate is still unsettled three weeks after Jeff Flake's retirement announcement:

  • Two or three potential candidates are weighing whether to get in - Congresswoman Martha McSally; Congressman Paul Gosar; and former Congressman Matt Salmon.
  • This week's election results led to wild speculation about candidates who've already made their decisions - Flake and Democratic Congresswoman Kyrsten Sinema, who's in the Senate race.

We ran down the five hottest rumors about the race in four minutes with political analyst Chris Herstam and Arizona Republic columnist Laurie Roberts.

Spoiler alert: There's a major update on Salmon.