Venezuelan President Hugo Chavez could become the Oprah Winfrey of political nonfiction, sending "Open Veins of Latin America: Five Centuries of the Pillage of a Continent" rocketing up Amazon's bestseller list--from #54,000 to #2 in a single weekend. Galley CatThis exchange between Obama and Chavez, caught on a cell phone camera, didn't get quite as much attention as the handshake.