Senator Bill Nelson said contractor Booz Allen Hamilton had hired an employee convicted of lying to the U.S. government for a position in which he would handle classified documents. Nelson, a Florida Democrat, called on the Senate Intelligence Committee to conduct an investigation broadly into how contractors are handling employees with top secret clearance. He said he is alarmed by the combination of this incident and the more recent revelation that a National Security Agency contractor who worked for Booz Allen Hamilton leaked sensitive government documents. Nelson, in a letter to Senate Intelligence Chair Dianne Feinstein, said these incidents merit a probe "to determine more broadly how private contractors are managing the hiring and monitoring of employees who have top secret clearance from the government." A spokesman for Booz Allen Hamilton declined to comment. Nelson said he was reminded earlier this week of a situation in which Booz Allen Hamilton hired a man