Latin America: Oil earnings have given Hugo Chavez a colossal sense of his own power at home and abroad. He's not limiting himself to small countries like Bolivia, though. Surprise: The U.S. is also in his cross hairs. Venezuela's president has targeted America and not just by organizing political fifth columns called "Bolivarian Circles" ... He's also getting himself good press for delivering discounted oil for his handpicked "poor" ... Chavez has won plaudits from the mainstream media for his newly launched program to deliver cheap heating oil to carefully "screened" low-income constituencies. Venezuela's state oil company, PDVSA, through its...