Al-Qaida plans to use Mexico as a key infiltration route for sending operatives into the United States, according to a Mexican newspaper. Mexican intelligence agencies have identified at least two routes for al-Qaida infiltration, the Proceso newspaper reported last week. The infiltration plan calls for terrorists to depart South Africa for London and then take a non-stop flight to Mexico or a Central American nation and from there use migrant smuggling routes to reach northern Mexico and the United States. Two of three suspected al-Qaida terrorists recently arrested in England and Pakistan had passed through Mexico with South African passports....