Unless it can be proven otherwise in a court of law, a person is innocent until proven guilty.
Suspicions, innuendos, unlikability, ugliness and ideology are not reasons for putting people in jail.
If the law enforcement agencies ever get hold of sufficient evidence against Ken Lay, he will be charged.
Otherwise, President Bush has no power to send the FBI to pick Kenneth Lay because Lay is unpopular and considered a crook by most of us.