The USA lost the hidden advantage of the 'Keyhole' generation of spy satellites when Pollard revealed their side-looking abilities. Then the Russians found out, one way or another, from Israel. So just buy us another $100 billion generation of spy satellites, and we'll let Pollard go to the country he loves. Or at least, the one that paid him.
Israeli soldier collapses, dies from heatstroke during visit to Jerusalem's Old City (Haaretz)
from the article: Pres. Obama: Justice system contains potential for Pollard's release