Trade: CAFTA is often seen as a battle of big manufacturing corporations. But in reality it will benefit businesses across the board. Just ask Central American immigrants around Los Angeles, who say it's critical. We've been intrigued by the imminent passage of CAFTA, which sadly has been given short shrift by the media. So we did something different. We talked with some of the people and businesses most affected by CAFTA — those in Los Angeles' thriving Central American immigrant community. We found their comments enlightening. Take, for instance, Transportes Guzman in Los Angeles' Pico-Union district. There, boxes pile nearly...