Last year Paul Penzone, a retired Phoenix Police sergeant with 21 years of service, defeated Joe Arpaio to become sheriff of Maricopa County, AZ.<img class=”wrapImageCMS imageID_1699″ style=”float: right” src=”http://images.policemag.com/articles/M-Paul-Penzone-Credit-Allan-Henry-1.jpg” border=”0″ alt=”