The spot ends with an extended clip from the speech President Clinton gave at a recent Carmona campaign event in Tempe, Ariz.
"I can't think of a person in America who is more needed at this moment in our history in the U.S. Senate," he says of Carmona.
The Arizona Senate race remains close in its final days, and Carmona has run a strong campaign. But Rep. Jeff FlakeJeff FlakeVulnerable GOP senators praise Kaine GOP Sen. Flake offers Trump rare praise Booker denounces ‘lock her up' chants MORE (R-Ariz.) led Carmona in the two most recent independent polls of the race, indicating the red lean of the state may be too much for Carmona to overcome on Election Day.
Watch the ad: