Between now and November, the Kamala Harris and Donald Trump campaigns expect to spend a lot of time in Arizona — a complex swing state that, according to polls, could go either way in the United States’ 2024 presidential election.. Arizona is also where a closely-watched U.S. Senate race finds Democratic Rep. Ruben Gallego and far-right MAGA Republican Kari Lake are competing for the seat presently held by independent Sen. Kyrsten Sinema (a former Democrat). MAGA activists, according to Arizona Republic reporter Mary Jo Pitzl, announced a plan to monitor ballot drop boxes in a letter to Arizo…