CARACAS, Venezuela (Reuters) - Venezuela on Wednesday condemned as "meddling" and "a provocation" President Bush's meeting at the White House with a prominent opponent of Venezuelan President Hugo Chavez. In a move that strained already frayed relations, Bush met on Tuesday with Maria Corina Machado, a Venezuelan opposition activist who helped promote a recall referendum last year against left-winger Chavez. Chavez won and remains in office. The nationalist Venezuelan leader, a fierce critic of Bush's policies, has branded Machado a "traitor" for receiving U.S. Congress funding for her pro-referendum activities in the world's No. 5 oil exporter. "I think this...