Machado greets supporters as she arrives at the airport returning to Venezuela, in Caracas

Venezuela’s opposition leader Maria Corina Machado greets supporters as she arrives at the airport returning to Venezuela, in Caracas March 26, 2014. Congress this week stripped Machado of her post in parliament on charges she had violated the constitution by speaking at the Organization of American States with the backing of the Panamanian government. REUTERS/Christian Veron (VENEZUELA – Tags: POLITICS CIVIL UNREST)