BILL CLINTON'S book release is giving him more chances to take shots at the man who spent five years investigating him, Kenneth Starr. Starr resigned in 1999. That same year the independent counsel law, under whose authority he worked, was allowed to expire. Whatever you may think about the charges that Starr was asked to probe, or about the investigations themselves, the demise of the independent counsel law was a welcome event. The law had proved a classic case of reform gone awry, and when the time came to legislate its extension in 1999, few in Congress were willing to...