from what I've heard, the UK and US goverments have covered up the real reason behind the bombing
from my understanding, that bomb was let onto that plane because the US goverment couldn't infiltrate parts of Lebanon during the 80s during the civil war there, so they had to go into the drug...
this is a crazy article from www.conspiracyplanet.com from an ex CIA agent
check these other threads too, onced you have the time
http://www.philaflava.com/forum/viewtopic.php?t=82540&highlight=
http://www.philaflava.com/forum/viewtopic.php?t=84440&highlight=
Biowar Conspiracy...