Exports from big states like Texas, California and Michigan have soared since the 1990s when the North American Free Trade Agreement opened U.S. markets to Mexico. But not every state has been as savvy promoting cross-border trade.
The U.S. Supreme Court struck down much of Arizona's undocumented immigration law, but it upheld the so-called 'show me your papers' provision. How does the rest of the world handle immigration?
The U.S. Supreme Court next week hears arguments for and against several contested sections of Arizona's new immigration law — which makes it a crime for undocumented immigrants to live or work in that state.