LONDON - NOVEMBER 28:  Business man Conrad Black answers questions by video link from historian Andrew Roberts during the Conrad Black book talk and signing session by video link at Waterstones Piccadilly on November 28, 2007 in London, England. Conrad Black talked about and autographed his latest book (using Long Pen technology), the critically acclaimed The Invincible Quest: The Life of Richard Milhous Nixon, at Waterstone's Piccadilly from his home in Palm Beach, Florida. Getty Images logo Getty Images 51 months ago

LONDON - NOVEMBER 28: Business man Conrad Black answers questions by video link from historian Andrew Roberts during the Conrad Black book talk and signing session by video link at Waterstones Piccadilly on November 28, 2007 in London, England. Conrad Black talked about and autographed his latest book (using Long Pen technology), the critically acclaimed The Invincible Quest: The Life of Richard Milhous Nixon, at Waterstone's Piccadilly from his home in Palm Beach, Florida.