Joe Arpaio surges to second in Arizona GOP race: Poll

FILE – In this Jan. 26, 2016, file photo, Republican presidential candidate Donald Trump is joined by Joe Arpaio, the sheriff of metro Phoenix, during a news conference in Marshalltown, Iowa. Former Phoenix lawman and Trump ally Arpaio says he will run for the Arizona U.S. Senate seat held by Jeff Flake. (AP Photo/Mary Altaffer, File)

Former Maricopa County Sheriff Joe Arpaio’s entry into the Arizona Senate race is splitting conservatives, according to the latest polling. Mr. Arpaio, who announced his bid Tuesday, leaped into second place in the GOP primary race, while Rep. Martha McSally, who is expected to announce her campaign later this week, is now the leader. Former state…