The powerful Iraqi cleric and militia leader Moqtada al-Sadr called President George W. Bush the Antichrist on Saturday and urged him to heed calls by the opposition Democrats to withdraw from the chaos of Iraq. In fresh violence on Saturday, 14 people were killed and 39 others were wounded in a suicide car bombing in the holy Shi'ite city of Kerbala south of Baghdad, a hospital said. A Reuters witness said he saw tens of casualties. Sadr, whose ministers quit Shi'ite Prime Minister Nuri al-Maliki's government this month, renewed his demand for a U.S. pullout a day after Bush pledged...