By ROBERT BURNS AP Military Writer WASHINGTON (AP) -- The Pentagon on Friday confirmed for the first time that a U.S. soldier deliberately kicked a Guantanamo Bay prisoner's Muslim holy book in violation of the military's rules for handling the Quran. In other confirmed incidents, prison guards threw water balloons in a cell block, causing an unspecified number of Qurans to get wet; a guard's urine splashed on a detainee and his Quran; an interrogator stepped on a Quran during an interrogation; and a two-word obscenity was written in English on the inside cover of a Quran. The findings are...