There’s a reason why Trump spent a lot of time in AZ. Either because the race there is very close according to internal polling or because he is trying to help McSally.
Trump isn’t acting like he’s afraid of losing AZ.
Trump is acting like he anticipates winning this election handily. I sure hope so.
One more reason, with Arizona, Michigan can almost completely substitute for Pennsylvania if Trump also wins Florida.
Trump knows this is a turnout election, he is making sure his base turns out