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

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

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

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

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

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

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

The American Recovery and Reinvestment Act of 2009: The Role of State and Local Governments : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, First Session, April 21, 2009

The American Recovery and Reinvestment Act of 2009: The Role of State and Local Governments : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, First Session, April 21, 2009

Inadvertent File Sharing Over Peer-to-peer Networks: How it Endangers Citizens and Jeopardizes National Security : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, First Session, July 29, 2009

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

Rewarding Bad Actors: Why Do Poor Performing Contractors Continue to Get Government Business? : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Eleventh Congress, Second Session, March 18, 2010

Deficient Electrical Systems at U.S. Facilities in Iraq: Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, Second Session, July 30, 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

Defense Base Act Insurance: Are Taxpayers Paying Too Much? : Hearing Before the Committee on Oversight and Government Reform, House of Representatives, One Hundred Tenth Congress, Second Session, May 15, 2008, 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

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