    Sentence I: Frank Quattrthhe , the former Crede Suse  First Boston technology mvestment-banking guru»  reportedly pleaded rot guity Tuesday to charges of  ‘obstruction of justice and weness tampering «    Sentence 2: NEW YORK - ( Dow Jones ) - Former star  investment banker Frank trone pleaded not guity  Tuesday to criminal charges of obstruction of ystice  and waness tamperng «