Arizona immigration law puts police in 'impossible situation' A new Arizona anti-illegal immigration law asks police to perform tasks that are often contradictory, critics say – enforcing immigration law and criminal law.

http://www.csmonitor.com/USA/2010/0426/Arizona-immigration-law-puts-police-in-impossible-situation?sp_rid=NTI5OTY2ODE1NgS2&sp_mid=4423237