In Mexico, millions of voters are poised to elect the first woman president in the country’s history when they cast their ballots on Sunday. Voters will be choosing between front-runners Claudia Sheinbaum, the former mayor of Mexico City, and Xóchitl Gálvez, a former senator; and a third candidate, Jorge Álvarez Máynez, who is trailing further behind in the polls. The landmark moment has filled…