For Martha Stewart, it was a tough week. Her friend and former Imclone Chief Sam Waksal was sentenced to prison for insider trading. For us, keeping track of the growing roster of scandal-plagued corporate execs has become a dizzying task. Be honest: Did you even know that Freddie Mac was a company and not a government agency? A cheat sheet. --By Kate Novack
EXECUTIVES: Former CFO Andrew Fastow has pleaded not guilty to fraud charges. Ex-chairman Ken Lay, left, and former CEO Jeff Skilling have yet to be charged with any crimes.
COMPANY: After its market cap fell $60...