Today on the show, two stories of building power in swing states: from the top down, and the bottom up.First, how a future Supreme Court justice helped launch a program to challenge voters at the Arizona polls in the early 1960s, in a county that’s become a hotbed for election conspiracies in the decades since. Then, how a 1973 labor strike led by Arab Americans in a Michigan factory town sparked a political movement that could play a major role in the 2024 election.This story is part of “We, The Voters,” NPR’s election series reported from the seven swing states that …