[JURIST] The chief counsel for Senator Frank Lautenberg (D-NJ) has said that the US Attorney for the District of Columbia [official website] is now investigating conservative radio commentator Armstrong Williams [Wikipedia profile; JURIST news archive]. Williams was hired by the US Department of Education [official website] to promote the No Child Left Behind Act [text] without disclosing his connection to the administration. Lautenberg has been pressing from a criminal fraud investigation of the promotion [JURIST report] for some time. A recent ruling by the Government Accountability Office found the payments to Armstrong illegal [JURIST report]. AP has more.