ISRAEL'S ASSASSINATION of Hamas leader Sheikh Ahmed Yassin has provoked fury among Palestinians and across the world. But British foreign secretary Jack Straw's main response was to call the killing a tactical error that was "very unlikely to achieve its objective". George Galloway MP, who heads the Respect coalition's list for the European Parliament in London, said, "The murder of Sheikh Yassin is an act of criminal insanity from the criminally insane prime minister Sharon.