OTTAWA -- Canada won't ignore threats from Iran and the Hamas-led Palestinian government against Israel, warns Prime Minister Stephen Harper. Harper made the pledge Tuesday as he spoke at a Parliament Hill ceremony in remembrance of victims of the Holocaust. The prime minister said the world should never again stand by and ignore signs of trouble when they appear. "We will not ignore them when they are done by Hamas. We will not ignore them when they are from the government of Iran," Harper told several hundred people beneath the Peace Tower. Iranian President Mahmoud Ahmadinejad has made repeated threats...