By Luke Swiderski NEW YORK (Reuters) - The defense attorney for an alleged senior al Qaeda figure captured in Libya earlier this month said on Tuesday it will take several months to sort through hundreds of thousands of documents before the case can proceed. Bernard Kleinman said in federal court that he had just begun representing Libyan Nazih al-Ragye, better known as Abu Anas al-Liby, who last week pleaded not guilty to involvement in the 1998 bombings of U.S. embassies in Kenya and Tanzania that killed 224 people. Al-Liby was seized by a U.S. ...