Brewer attempted to hand Obama a letter, which she later told reporters was an invitation to sit down with her to discuss “Arizona’s comeback” and to tour the U.S.-Mexican border with her.

That’s when things went sour. Obama and Brewer engaged in what reporters described as an “intense exchange,” with the Republican governor pointing her finger at the president and the two appearing to talk over each other.

The exchange ended when Obama abruptly walked away as Brewer appeared to still be speaking, according to a summary provided by reporters in the press pool that shadows the president on his trips. (via Obama tangles with Arizona Gov. Jan Brewer over immigration book - 44 - The Washington Post)