Nigeria: The Story of Congressman Jefferson Vanguard (Lagos) COLUMN September 21, 2006 Posted to the web September 21, 2006 Christopher Drew "A case against politicians, a tale of friendship, ambition and betrayal". In July 2005, Vernon L. Jackson returned home to Louisville from Washington, where he had just met with Representative William J. Jefferson, the Louisiana Democrat who had been helping to promote his fledgling digital-technology company. David Harper, a lawyer for the company, said he had never seen Mr. Jackson so demoralised. For nearly five years, the inventor and the congressman had carried the message that Mr. Jackson's company,...