PHOENIX — The Rev. Al Sharpton on Friday called for opponents of Maricopa County Sheriff Joe Arpaio, who has aggressively cracked down on illegal immigration, to videotape alleged racial profiling by the sheriff’s office. The civil rights leader said the videos will help the U.S. Department of Justice in an investigation of alleged civil rights abuses by Arpaio’s office. “We’re gonna start some freedom rides around this county, to show how people of a certain skin color are treated different than other people,” Sharpton told a crowd of several hundred people at the Pilgrim Rest Baptist Church in Phoenix. Sharpton...