The polonium-210 link could still surface to tie any number of suspects to a possible murder of Yasser Arafat, but as Israel comes out about other targeted assassinations of Palestinian 'operatives', the signs are not looking favorable for the Jewish state and could poison any credibility. Arafat's rich widow seems to have no qualms with inviting the investigation into her husband's remains whether it means nailing Isarelis or Palestinians in the process.