MAGA’s looming succession crisis
David Siders writes: The tailgate was aimed at boosting a protégé, but it was Donald Trump whose name and image were plastered everywhere — on the banner hung from Republicans’ table outside the Arizona State University football game, on baseball caps, on signs they carried and stickers they fixed to tank-tops on a Friday night where the pavement was still hot and the temperature, at dusk, hovered around 95 degrees. They might have turned out to support the protégé, Kari…