Arizona's immigration circus

By Ruben Navarrette
2:00 a.m. February 11, 2009

One of the most dangerous places to be in Arizona is caught between Maricopa County Sheriff Joe Arpaio and one of his publicity stunts. That's just where Homeland Security Secretary Janet Napolitano finds herself.
Months ago, Arpaio and his deputies began scouring Hispanic neighborhoods in the Phoenix area looking for illegal immigrants. So far, hundreds have been hauled away. Often in these types of operations, “probable causeâ€