* Beltran Leyva biggest drug lord killed since 2002 * Calderon praises raid as big win for Mexico * Experts say death could fan further violence (Adds attorney general, analyst quote, navy detail) By ...
CUERNAVACA, Mexico (Reuters) - Mexican security forces have shot dead top drug lord Arturo Beltran Leyva in the biggest strike yet for President Felipe Calderon's drug war, but one which could trigger ...