The Rev. Al Sharpton descended upon Phoenix Friday, taking the bombastic Mayor Joe Arpaio up on his challenge for a throw-down over immigration in the Valley of the Sun. Several months ago, the civil rights leader threatened to shine the spotlight on Arpaio, the Maricopa County Sheriff’s Department and the racial-profiling of Mexican Americans, which Sharpton said is both racist and un-American. Calling Sharpton a publicity-seeking, outside interloper, Arpaio dared Sharpton to “bring his circus to town.” Said Sharpton on Friday, “We didn’t come to start trouble; we came to stop trouble.” “Let me make this clear – we are not here about Sheriff Joe as much as we’re here about citizen Jose,” Sharpton told a crowd at Pilgrim Rest Baptist Church in Phoenix. Read more.