- EPA head tells House committee that the agency is having trouble recovering requested emails
- "I heard similar testimony yesterday," congressman says, referring to IRS' lost emails
- EPA's lost emails part of alleged collusion probe involving agency and environmentalists
- Committee chairman threatens contempt charge if requested documents not delivered
Washington (CNN)One day after focusing on lost e-mails at the IRS, the House Oversight Committee learned Wednesday that the Environmental Protection Agency is also having trouble recovering e-mails the committee wants as part of a separate investigation.