Nearly 15 years after the collapse of the USSR, America could encounter what would have been unthinkable during the Cold War - a hostile, communist nation on our southern border. If the plans of the Marxist president of Venezuela, Hugo Chavez, are successful, America's neighbor to the south will become a virtual enemy camp. For the past five years, Chavez has sent money and agents to Mexico to finance and infiltrate local political groups on the left, according to a Mexican news daily The goal is ideological -- pro-Chavez operatives want to dominate the increasingly powerful left wing in Mexico....