"The CIA has confirmed, in interviews with detainees and informants it finds highly credible, that al Qaeda's Number 2, Ayman al-Zawahiri, met with Iraqi intelligence in Baghdad in 1992 and 1998. More disturbing, according to an administration official familiar with briefings the CIA has given President Bush, the Agency has "irrefutable evidence" that the Iraqi regime paid Zawahiri $300,000 in 1998, around the time his Islamic Jihad was merging with al Qaeda."
But Saddam actually offering Bin Laden asylum tops it all.
I suppose the liberals will say that Bin Laden didn't accept, that proves that there is no link.
This topic is from 2004, but still (of mostly archival) interest.
http://www.freerepublic.com/focus/f-news/1158274/posts?page=17#17