Mexican official: Fast and Furious 'poisoned' public opinion of USBy Jordy Yager - 05/31/12 05:36 PM ET The Mexican ambassador to the United States on Thursday said a botched gun-tracking operation by America “poisoned” public opinion of the United States for the citizens of its southern neighbor. Ambassador Arturo Sarukhan told a room of reporters on Capitol Hill that the failed Operation Fast and Furious, which has been the focus of a Republican investigation in the House for more than a year, “put a lot of strain” on U.S.-Mexico relations. “Fast and Furious has poisoned the well-spring of public opinion...