Arizona's 1st Congressional District was designed to be competitive.
The district is immense. It stretches from the Navajo Nation in the northwest corner of the state, to the Grand Canyon and Flagstaff. From there, it heads south, covering Show Low and Globe. Then it switches west to include Casa Grande and the city of Maricopa, just south of Phoenix.
It's covers such an incredible land mass that it's actually larger than 26 states.
In 2016, the district went to President Donald Trump by one point. That same night, it voted in Democrat Tom O'Halleran to Congress.
Four years later, how do voters in the district feel? Which issues are most pressing to them? And how will they vote come November? We talked to Rep. O'Halleran and voters in the district to find out.
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The Gaggle: An Arizona politics podcast