Judge Susan Bolton has allowed what's considered the most controversial part of Arizona's SB1070 immigration enforcement law to take effect.
It's the so-called 'show me your papers' provision, and now law enforcement officers in the state are going to have to figure out how to apply it properly and without racially profiling anyone.
In Alabama, 'show me your papers' has already been in effect. Atlanta Journal-Constitution reporter Jeremy Redmon talks about the impact of the Alabama law.