Putin: Russia can't turn over Snowden(yle.fi)

    the primary goal of the government should be preventing foreign powers,
    potentially hostile ones, from getting access to the secrets he possesses.

    Publicly threatening to arrest and try him for serious and potentially
    capital offenses like espionage while he is in territory not subject to
    the US or any close ally that would be likely inclined to cooperate given
    the circumstances is, from that perspective, quite foolish.

    Disclosure of information that is required by law or Executive Order
    to be kept secret in the interest of national defense or the conduct
    of foreign affairs is unprotected, unless made to the agency’s Inspector
    General, to “another employee designated by the head of the agency to
    receive such disclosures” or to the Office of the Special Counsel.