Outraged by what they perceived to be a history of insubordination, Alvin Frost's bosses in the District of Columbia municipal government tossed the Harvard-trained cash-management analyst out of his office and changed the locks last week. But Frost was prepared: he had changed the seven-letter computer password to the district's cash-management system, electronically locking financial officials out of key data. All he would say about the new password was that it concerned the Declaration of Independence.
Frost, 38, touched off a whistle-blowing donnybrook about a year ago by advising supervisors not to place $100 million in district funds with a shaky...