No one knows better than Kenneth Starr that obstruction of justice is difficult to prove. It's one thing to show that President Clinton's aides and friends worked like mad last winter to find a job for Monica Lewinsky. It's quite another to prove that they did so in return for her silence. And in between lies a prosecutor's worst nightmare: a purely circumstantial case.
New documents obtained by TIME in a related case help explain the independent counsel's dilemma, showing at once why Starr has some reason to suspect a White House campaign to keep Webb Hubbell quiet and why any...