This has nothing to do with double jeopardy. Being convicted of a crime does not grant you immunity from prosecution for future charges of a similar nature. (A

This has nothing to do with double jeopardy. Being convicted of a crime does not grant you immunity from prosecution for future charges of a similar nature. (And in any case, refusing to testify in front of a grand jury is not a remotely similar charge to espionage; the fact that they're both "Wikileaks-related" is irrelevant.)