That seems to be the explanation .
You didn't respond to the fact that America withhelp information from Israel that it had promised in return for the waiver of Israels right to sell defence.
Second, lets not even bring up the Liberty, because everyone here basically talks out their as$ on that one. Israel didn't do it intentionally, multiple international commissions concluded that, leave your conspiracy theories for someone else.
I agree that Pollard is a traitor to America, however, the question was, why was he sentenced (and why was the sentenced changed at the last moment despite the plea bargain) so harshly in comparisson to other spies. If you don't think he was, just compare his sentence to those of communist spies.
I think it is to simple and childish to simply answer by saying, Israel owes its existence to America, America doesn't to Israel.
We all know America gets plenty from Israel for its 3 billion. Intelligence, a fortress in the middle east, a democratic ally, the attack on Saddams nuke plant in 1981 (how many American lives were saved by Saddam not being Nuclear in the Gulf War)... etc... especially considering what America gets for its money in other parts of the world.
and then their is that whole 'ideology' issue as well, although for some of you that stopped being important a long time ago.
I agree that Israel would treat spies harshly too, but i'm just saying that in past incidents (like when Americans were caught spying in Israel) things were settled behind the scenes (kind of like 'out of court'). I'm just saying this should have been no different.