Arafat - victim of polonium poisoning?

From USA Today: Tests show that Arafat might have been a victim of polonium poisoning. This is the same stuff that killed Livechencko, the Russian billionaire, several years ago. So, does that mean that the KGB offed Arafat? If we believe Ion Pacepa, the former head of the Romanian secret service, granted political asylum by the Americans in the late 70s, Arafat was a creation of Andropov. This information came to public ears in March 2004. Arafat died in October of that year. Layers upon layers upon layers...