Kelly Keiderling, charge d'affairs of the U.S. Embassy in Caracas, Venezuela, gives a news conference on Tuesday, Oct. 1, 2013, after Venezuelan President Nicolas Maduro expelled her and two other embassy officials from the country. (AP Photo/Fernando Llano)

Photo by: Fernando Llano

Kelly Keiderling, charge d'affairs of the U.S. Embassy in Caracas, Venezuela, gives a news conference on Tuesday, Oct. 1, 2013, after Venezuelan President Nicolas Maduro expelled her and two other embassy officials from the country. (AP Photo/Fernando Llano)