PHOENIX - A veteran Republican lawmaker is accusing President Bush of pushing a behind-the-scenes agenda that will result in the United States being merged with Mexico and Canada. State Sen. Karen Johnson, R-Mesa, said she believes the Security and Prosperity Partnership, being run out of the White House and the U.S. Department of Commerce, is little more than a secret plan to end U.S. sovereignty by 2010. And she said Congress is being kept in the dark until the point that it becomes a done deal. Johnson, who will head the Senate Education Committee this coming session, said the signs...