Venezuela's caretaker president, Nicolas Maduro, asked Barack Obama to halt a plot to kill the opposition candidate in next month's election. You see, it's complicated. Maduro - sort of a "Hugo-lite" - announced last week that his government had uncovered an insidious plot to kill Henrique Capriles, leader of the opposition which would be followed by a coup of army officers friendly to America. Obviously, Maduro is worried that he doesn't have the election in the bag. From Reuters: "I call on President Obama - Roger Noriega, Otto Reich, officials at the Pentagon and at the CIA are behind a...