Mark Stevenson, Canadian Press Published: Tuesday, July 04, 2006 MEXICO CITY (AP) - Mexico faced the possibility of weeks to months of political uncertainty after the leftist presidential candidate - trailing his conservative rival by a percentage point - called for a vote-by-vote recount, alleging millions of missing votes. Andres Manuel Lopez Obrador, who campaigned on uplifting Mexico's poor, trailed business-friendly rival Felipe Calderon by more than 400,000 votes in a preliminary count - although electoral officials say they'll declare no winner until after a time-consuming official count that begins Wednesday. There were some fears that Lopez Obrador's refusal to...