Former Enron Corp. executive Michael J. Kopper pleaded guilty Wednesday to financial misconduct and agreed to turn over $12 million of illegally obtained assets in the first federal criminal charges brought against a former Enron official.

Enron employee Sherron Watkins testified in front of a House subcommittee Thursday, saying she warned Enron's chairman last summer about inflated and misleading financial statements.

Bankrupt energy giant Enron today selected Stephen Cooper, a business restructuring expert, to lead the company out of the largest corporate bankruptcy in U.S. history.