KERBALA - Tens of thousands of Shi'ite pilgrims headed home on Sunday after a subdued religious festival overshadowed by a rally in support of a radical Shi'ite cleric and fears of Sunni militant attacks. Few pilgrims voiced support for Sadr and his uprising -- the young cleric draws more support from poor, angry youths in the Baghdad slums than among the traditionalists in Kerbala. Around midday on Sunday, as many pilgrims were leaving, about 150 people rallied in support of Sadr. "We are supporting Moqtada because he challenged the Americans, the Zionists, and exposed the hypocrite Ayatollahs," said one, Morad...