Here's a peculiar historical puzzle: Arizona achieved statehood on February 14th, 1912, yet its U.S. Senate seats sat completely empty for over a month while the state waited to organize elections. This episode of pplpod dives into the fascinating timeline of Arizona's Senate representation from that moment of statehood through March 2026, revealing how a seemingly simple list of politicians conceals remarkable statistical anomalies—marathon careers punctuated by periods of wild political turnover. Since its admission to the union, Arizona has sent only 15 senators to Washington, a surprisingly small number that masks deeper mechanical realities about how Senate elections work. By examining the intricate system of staggered Class One and Class Three seats, we unc ...