EXICO CITY, Jan. 8 — In the American South, William Faulkner once wrote, the past isn't dead. It isn't even past.This may become truer the farther south one goes.In the United States, almost no one remembers the war that Americans fought against Mexico more than 150 years ago. In Mexico, almost no one has forgotten.The war cut this country in two, and "the wound never really healed," said Miguel Soto, a Mexico City historian. It took less than two years, and ended with the gringos seizing half of Mexico, taking the land that became America's Wild West: California, Texas, New...
