“Mexicans in Arizona should carry documentation and ‘act carefully’ after the state passed a law requiring local police to determine the immigration status of anyone suspected of being in the country illegally, Mexico’s Foreign Ministry said.

“The ministry said the warning is directed toward Mexicans living, studying or planning to travel to the southwestern U.S. state, which shares a border with northern Mexico, according to the e-mailed statement sent today. It comes as members of U.S. President Barack Obama’s administration said they have concerns about the new law and may seek to overturn it in court.

“‘There is an adverse political environment for migrant communities and all Mexican visitors,’ Mexico’s ministry said. ‘It’s important to act carefully and respect the local laws.'”

***
“‘I think there is going to be some constitutional problems with the bill,’ he said to the standing-room-only crowd at the Colony Cottage Recreation Center. ‘I wished they hadn’t passed it, in a way.’…

“‘These are modern police forces that respect the rights of people in their communities,’ Rove said. ‘They’re going to do it on the basis of reasonable suspicion that these people are here illegally, like they’re driving a car with a Mexican license plate or they can’t speak English or they don’t have a drivers license.’…

“‘At the end of the day … I think there are better tools,’ he said. ‘But I understand where it’s coming from.'”

***