Vienna - One of American's best-known peace activists Cindy Sheehan called on Monday for the removal of US President George W Bush from office, saying he should be called to account for the war in Iraq. Sheehan was speaking at a press conference in Vienna, where her presence is expected to be a focal point of protest against Bush's visit Tuesday evening and Wednesday for an EU-US summit. A withdrawal of US forces from Iraq would put an end to the violence there, said Sheehan, who lost a son in the Iraq war. Last August she gained national fame by...