How did Yasser Arafat die?<br/> <br />That's what Palestinians are debating...after a new Swiss forensics report suggests their late later may have been killed by radioactive Polonium poisoning.<br/> <br />Now, TAWFIQ TIRAWI -- a key Palestinian investigator squarely points the finger of blame at Israel<br/> <br />(SOUNDBITE) (Arabic) TAWFIQ TIRAWI, HEAD OF ARAFAT DEATH INVESTIGATION, SAYING:<br/> <br />"Who has the technical and scientific means to for this? We consider Israel the first, fundamental and only suspect in Yasser Arafat's assassination."<br/> <br />But Arafat's own personal doctor says, not so fast.<br/> <br />He cites a Russian report saying there's just not enough proof to support that theory.<br/> <br />Both reports do say large amounts of the radioactive isotope were found in Arafat's remains, after samples were taken from his corpse last year.<br/> <br />It's a blame game that the Israeli Foreign Minister Spokesman YIGAL PALMOR has grown tired of.<br/> <br />(SOUNDBITE) (English) YIGAL PALMOR, ISRAELI FOREIGN M