The administration has dismissed Issa 's claims , saying the investigation followed proper procedures . General Services Administration says official appeared to make light of congressional oversight . Newly released video footage continues an argument over wasteful government spending . Congressional investigators investigate the GSA 's lavish 2010 conference in Las Vegas . hearings are scheduled for next week by House and Senate committees .
General Services Administration says official appeared to make light of congressional oversight . Newly released video footage continues an argument over wasteful government spending . Congressional investigators investigate the GSA 's lavish 2010 conference in Las Vegas . hearings are scheduled for next week by House and Senate committees .