A Russian policeman stands outside the embassy of Ecuador in Moscow, June 24, 2013. Russia defied White House pressure on Monday to expel former US spy agency contractor Edward Snowden to the United States before he flees Moscow on the next stop of his globe-crossing escape from US prosecution. [Photo/Agencies]

Passengers queue to board a plane to Cuba at a terminal of Moscow's Sheremetyevo airport, June 24, 2013. Russia defied White House pressure on Monday to expel former US spy agency contractor Edward Snowden to the United States before he flees Moscow on the next stop of his globe-crossing escape from US prosecution. [Photo/Agencies]