The Feds said he can't arrest illegals anymore and he basically said "screw you, I'm gonna make MORE arrests now." I like the middle the video best. He's friends with Sheriff Mack and he knows that constitutionally the Feds don't have any authority in his county unless he says so. (article VI, para 3)
http://www.foxnews.com/search-results/m/26817661/new-sheriff-in-town.htm#q=arpaio
http://www.foxnews.com/search-results/m/26817661/new-sheriff-in-town.htm#q=arpaio