Arizona Gov. Jan Brewer (R), author of “Scorpions for Breakfast: My Fight Against Special Interests, Liberal Media, and Cynical Politicos to Secure the Border,’’ was caught on camera shoving a finger in President Obama’s face in an apparent confrontation at the foot of the stairs to Air Force One after the president arrived in Phoenix.

Brewer was part of a receiving line for Obama as he made the second stop on a national tour after his State of the Union address.

In her book, Brewer does not speak kindly of Obama, his policies, and his attitude toward her.