And al qaeda is not an uneducated and untrained group of thugs, as we know. Many key leaders are highly educated hold degrees and are highly skilled. Even the 19 killers on 911 were educated.
There are many nuke techs out there from Pakistan, North Korea, Russis, etc. We hope such a collaboration didn't / doesn't come true, but how can we count it out? That would be foolhardy.