Jan Brewer is asking a federal court to disallow foreign governments from joining the federal lawsuit. | AP Photo Close By SCOTT WONG | 10/6/10 9:57 AM EDT Updated: 10/6/10 7:21 PM EDT In a new twist in the fight over Arizona’s immigration law, Republican Gov. Jan Brewer on Tuesday asked a federal court to disallow foreign governments from joining the U.S. Department of Justice lawsuit to overturn the law. The move comes in response to a 9th Circuit Court of Appeals ruling issued Monday, allowing nearly a dozen Latin American countries — Mexico, Argentina, Bolivia, Brazil, Costa Rica, Ecuador,...