Vanunu is trying to enlightened the world to the depth of the darkness in the true WMD secrets (Israel's condoned by the USA). Pollard stole secrets of the USA for his own (including wife Anne) selfish financial benefit while advancing the covert intelligence of Israel. Espionage with no benefit to the USA, the world, humanity as a whole, or the promotion peace.
Saudis warns U.S. that 9/11 responsibility law would erode investor confidence in America (Reuters)
from the article: Netanyahu makes official request to Obama: Free Pollard