Mexico's rickety, government-owned railroads, which have averaged a wreck a week for the last six months, are responsible for almost as many jokes as the Toonerville Trolley. In a current vaudeville skit, the spurned lover threatens: "If you don't marry me, I'll buy a railroad ticket." Says the traveler in a newspaper cartoon: "One ticket to Ciudad Jućrez, pleaseand can you recommend a good hospital?" When a Cuernavaca-bound passenger train slammed head-on into a freight in the suburb of Tacubaya outside Mexico City one day last week, Ultimas
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In part because much of their equipment...