What would you call it if a neighboring country used its military forces to escort illegal border crossers, including drug-runners, to border areas known to be less secure? I'd call it an act of war. And that's what the Mexican government stands accused of doing this week – not just by the Minuteman Project President Bush derides as a "vigilante" movement, but by Border Patrol officers and elected U.S. officials. President Bush still has a little time to save face – though it is slipping away quickly. He can change directions, admit that the Mexican border poses the No. 1...