BAGHDAD (Reuters) - A Filipino truck driver held hostage in Iraq for two weeks has been freed, a day after Manila withdrew its troops in response to demands from kidnappers who had threatened to behead him. The United States, Australia and Iraq's interim government have accused Manila of caving in to terrorists, but Philippine President Gloria Macapagal Arroyo defended the decision and said the father of eight did not deserve to die. Abu Musab al-Zarqawi, an Islamic militant with suspected ties to al Qaeda warned Japan it should now do the same and pull its troops out of Iraq or...