Allegations of Political Interference with Government Climate Change Science: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, March 19, 2007, Volume 4

EPA Approval of New Power Plants: Failure to Address Global Warming Pollutants : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, November 8, 2007, Volume 4

The Montreal Protocol and Global Warming: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, May 23, 2007, Volume 4

EPA Black Carbon and Global Warming: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, October 18, 2007, Volume 4

Invisible Casualties: The Incidence and Treatment of Mental Health Problems by the U.S. Military : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, May 24, 2007, Volume 4

The Electronic Records Preservation at the White House: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, Second Session, February 26, 2008, Volume 4

EPA's New Ozone Standards: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, Second Session, May 20, 2008, Volume 4

Offshore Drilling: Will Interior's Reforms Change Its History of Failed Oversight? : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, Second Session, July 22, 2010

Safe and Affordable Biotech Drugs: The Need for a Generic Pathway : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, March 26, 2007, Volume 4

FEMA Preparedness in 2007 and Beyond: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, July 31, 2007, Volume 4

Safe and Affordable Biotech Drugs: The Need for a Generic Pathway : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, March 26, 2007, Volume 4

The Health and Environmental Impacts of Uranium Contamination in the Navajo Nation: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, October 23, 2007, Volume 4

Pathways to Energy Independence: Hydraulic Fracturing and Other New Technologies : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, First Session, May 6, 2011

Policies Affecting High-tech Growth and Federal Adoption of Industry Best Practices: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, First Session, April 18, 2011

Running Out of Time: Telecommunications Transition Delays Wasting Millions of Federal Dollars : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, Second Session, May 20, 2010

How Convicts and Con Artists Receive New Federal Contracts: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, First Session, February 26, 2009

Pain at the Pump: Policies that Suppress Domestic Production of Oil and Gas : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Twelfth Congress, First Session, May 24, 2011

Politicizing Procurement: Will President Obama's Proposal Curb Free Speech and Hurt Small Business? : Joint Hearing Before the Committee on Oversight and Government Reform and the Committee on Small Business, House of Representatives, One Hundred Twelfth Congress, First Session, May 12, 2011

Oil and Gas Development: Exemptions from Health and Environmental Protections : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, October 31, 2007, Volume 4

Blackwater USA: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, First Session, October 2, 2007, Volume 4