FILE-This Jan.9,2013 file photo shows Maricopa County Sheriff Joe Arpaio speaking with 

FILE-This Jan.9,2013 file photo shows Maricopa County Sheriff Joe Arpaio speaking with the media in Phoenix. Authorities say law officers in Arizona have intercepted an explosive device that was earmarked for Arpaio. (AP Photo/Ross D. Franklin,File)
Associated Press
FILE-This Jan.9,2013 file photo shows Maricopa County Sheriff Joe Arpaio speaking with the media in Phoenix. Authorities say law officers in Arizona have intercepted an explosive device that was earmarked for Arpaio. (AP Photo/Ross D. Franklin,File)
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