By MARIA VERZA, Associated Press IRAPUATO, Mexico (AP) — Several thousand Central American migrants marked a month on the road Monday as they hitched rides to the western Mexico city of Guadalajara and toward the U.S. border. Most appear intent on taking the Pacific coast route northward to the border city of Tijuana, which is still about 1,550 miles away. The migrants have come about 1,200 miles since