A U.S.-based rights group accused the Uzbek government Thursday of covering up the truth about a violent crackdown in the city of Andijan, and it urged Western governments to push harder for an international inquiry.Human Rights Watch’s call for an investigation comes as President Islam Karimov visits China, which has backed his government and has been watching Uzbekistan warily ever since the United States deployed troops at a base there following the Sept. 11, 2001 attacks.Full Story