Why is Vanunu a hero while Pollard is demonized

Giulio Meotti asks a good question: Why is Israeli nuclear 'whistleblower' Mordechai Vanunu a hero in the West, while American spy for Israel Jonathan Pollard is demonized? Unlike Vanunu, a traitor who endangered the security of Israel at a time when Saddam Hussein’s Iraq, Iran’s ayatollahs, Libya’s Gaddafi and Syria’s Assad were making every effort to develop weapons of mass destruction, Pollard