E.J. DIONNE, JR.: Arizona provides glimpse of what could be November election cataclysm

The facts of what happened in Arizona’s presidential primary are gradually penetrating the nation’s consciousness. In a move rationalized as an attempt to save money, officials of Maricopa County, the state’s most populous, cut the number of polling places by 70 percent, from 200 in the last presidential election to 60 this time around.