FILE - In this April 3, 2012 file photo, Maricopa County Sheriff Joe Arpaio listens to one of his attorneys during a news conference in Phoenix. Arpaio is expected to take the witness s

 

              FILE - In this April 3, 2012 file photo, Maricopa County Sheriff Joe Arpaio listens to one of his attorneys during a news conference in Phoenix. Arpaio is expected to take the witness s
FILE - In this April 3, 2012 file photo, Maricopa County Sheriff Joe Arpaio listens to one of his attorneys during a news conference in Phoenix. Arpaio is expected to take the witness stand Tuesday, July 24, 2012, and face allegations that his trademark immigration sweeps amounted to racial profiling against Hispanics. (AP Photo/Ross D. Franklin, File)