CRAWFORD, Texas - The Rev. Al Sharpton joined hundreds of war protesters outside President Bush's ranch for an interfaith service Sunday, saying he felt compelled to meet Cindy Sheehan, the grieving mother who started the rally three weeks earlier. Sheehan had arrived in Bush's hometown on Aug. 6 and refused to leave until she could question the president about the war that has killed more than 1,870 U.S. service members, including her 24-year-old son, Casey. As her vigil drew attention, it also drew crowds, with some people joining her camp, celebrities stopping by to lend her their support, and Bush...