MEXICO CITY – Everyone these days, it seems, has their own favorite American diplomatic cable – or will soon – given that the 250,000 documents obtained by WikiLeaks include references to almost every country in the world. For Latin America, Wikileaks has so far provided enticing tidbits of both gossip and substance about Brazil and Argentina; interesting, first-rate analysis regarding Honduras, Bolivia, and Mexico; and a few intriguing notes about regional politics and international relations.