Several prominent lawmakers, including two Democratic presidential contenders, yesterday urged an independent commission to forcefully investigate government shortcomings prior to the Sept. 11, 2001, attacks, including an aviation security system experts described as riddled with holes. Sens. Bob Graham (D-Fla.) and Joseph I. Lieberman (D-Conn.), who are seeking the Democratic presidential nomination, also joined other lawmakers in accusing the Bush administration of seeking to obstruct the work of the six-month-old Sept. 11 commission, which has been beset by delays and is only now beginning to examine classified material related to the terrorist attacks. “The American people deserve to know the full and objective truth, as best it can be determined,” Lieberman said. “We have not received that, unfortunately.” Graham, who helped lead last year’s congressional review of intelligence issues related to the attacks, said the commission “should vigorously pursue the links between foreign governments and the September 11th hijackers,” including U.S. allies such as Saudi Arabia. Full Story