Arizona’s U.S. Senate election has emerged as one of the most closely watched, most expensive and consequential of 2020. The outcome could ultimately decide which party controls Congress. Former astronaut and Democratic nominee Mark Kelly is challenging Republican Senator Martha McSally in the race to finish the late John McCain’s term. KNAU reached out to McSally’s campaign but she has not committed to an interview. But KNAU’s Ryan Heinsius spoke with Kelly about several issues affecting northern Arizona.