APPLE VALLEY • Maricopa County Sheriff Joe Arpaio, whose tough stance on criminals and illegal immigration placed him in the national spotlight, will be in Apple Valley to endorse Republican Phil Liberatore’s race for the 8th Congressional District. Arpaio, 79, dubbed “America's Toughest Sheriff,” will speak at a public rally at 11:30 a.m. on May 5, at Civic Park near Town Hall, a Liberatore spokesman said by phone. As Sheriff of Maricopa County, Ariz., Arpaio gained attention with his no-frills jails. He houses inmates in surplus Army tents and feeds inmates bologna sandwiches and issues pink under shorts — all...