I guess you can disagree with President Obama's policies but that doesn't mean he is wrong. It simply boils down to opinion.
However you can pretty well quantify the Bush failures,
Consumers & Workers
Limited Ability To Block Dangerous Imports
FDA Enforcement Actions Way Down
USDA Challenged Over Meat Safety
Lack of Adequate Foreign Drug Oversight
Problems in Oversight of Food Safety
OSHA’s Laissez-Faire Attitude
FDA Failure To Ensure Drug Safety
Failure To Protect Consumers From Unsafe Products
Oversight Collapse Leads To Mine Safety Issues
Agricultural Quarantine Inspection Stumbles
Eroding Budget Erodes Consumer Safety
Lack of Quorum at the CPSC
Contracting & Workforce
A Failure of Whistleblower Protection
Labor Relations Authority: Low Morale, Backlogged Cases
Contractors Failing Troops in Iraq and Afghanistan
Human Capital Issues Plague Government
Surge in Outsourcing Creates Problems in Performance, Oversight
Chronic Understaffing at the EEOC
Education
No Child Left Behind: A Few Bumps in the Road
Reading First: Scandalous and Ineffective
Student Loan Scandal Costs Students
Elections
Paralysis at the Federal Election Commission
"McCain-Feingold" Fails To Solve Campaign Finance Problem
Election Assistance Commission Has Not Met Mandates
Emergency Management
Hurricanes Expose FEMA Woes
FEMA Trailers Filled With Formaldehyde
We Can’t Afford Another Flood
SBA Emergency Assistance Failed for Katrina
Flood "Protection" in New Orleans
Energy
No Robust, Sustained Alternative Energy Policy
Foreign Oil Dependence Has Grown
Refinery Bottleneck Puts Squeeze on Gasoline Supply
Move to a 21st Century Electricity Grid Is Stalled
Entitlements
Unsustainable Medicare Spending
Failure To Reform Social Security
Social Security Disability Backlogs
Environment
Climate Change: Hide the Assessment
Failure To Advance Climate Change Policy
EPA Deprives Public of Information on Toxics
Science Policy Politicized
Politicization at Department of Interior
EPA Stalls on Perchlorate Regulation
Mountaintop Coal Mining Alters Appalachia
EPA and OMB Slow Toxic Chemical Risk Studies
Scandal, Incompetence at Minerals Management Service
EPA Misleads on Air Quality After 9/11 Attacks
EPA Ignores Advisers on Particulate Matter Standards
Everglade Restoration a Man-Made Disaster
Superfund Program Loses Funding, Momentum
Toxic Mercury From Coal Plants Unregulated
Nuclear Waste Problem Unsolved
EPA Fails To Put Children First
Failure To Launch: Satellite Delays
EPA’s Free Pass for Aging Power Plant Emissions
Finance
Shaky Start for Troubled Asset Relief Program
Skyrocketing Deficit
Oversight Fails To Keep Pace With a Changed Market
Lax Oversight of Fannie Mae and Freddie Mac
SEC Allows Investment Banks To Go Unregulated
More Corporations Pay Less in Taxes
Audit Rates of Rich Fall, Audits of Poor Spike
Lack of Regs Fueled Accounting Scandal
U.S. Companies Hiding Revenue Offshore
Mismanagement and Cronyism at HUD
Health
Medicare Fraud Out of Control
45 Million Americans Without Health Insurance
Information Protection
Failures in Cybersecurity
Millions in Equipment Missing From Indian Health Service
An Epidemic of Missing Laptops
Justice & Security
Too Close to the Edge on Torture
CIA Renditions Draw Controversy
Politicization of Department of Justice
Failure To Protect Sensitive Technology
Arbitrary Detention at Guantanamo
Osama bin Laden Still at Large
Lack of Progress on Immigration Reform
WMD Nonproliferation Needs More Attention
National Security Agency Mismanages Info Technology
$30 Billion Virtual Border Fence Faces Problems
First Responders Still Can’t Communicate
FBI Abuses Power To Request Personal Information
Agencies Failed To Share Intelligence on 9/11 Terrorists
Pakistan Remains an Al Qaeda Haven
FBI Failure To Create a Modern Computer Network
Nuclear Sites Lack Adequate Security
Losing the Battle for Hearts and Minds
DHS Still Getting Up to Speed
Terrorist Watch List Mismanaged
Poor Retention of Counterterrorism Staff
Inability To Track Foreign Visitors to U.S.
Lack of Due Process for Terrorism Suspects
FBI Struggles To Confront Multiple Threats
NORAD, FAA Unprepared for Aerial Attack
U.S. Guns Arming Mexican Drug Cartels
Military
False Premise for Going to War
Abu Ghraib Prison Scandal
Mismanagement at National Reconnaissance Office
Poor Health Care for Veterans
Failure To Regulate Security Contractors
Pentagon Office’s Misleading Intelligence
Military Failure To Secure Iraq After Invasion
Lack of Armored Protection for Troops
Pentagon’s Slow Adaptation to a War-footing
Inadequate Planning for Post-Invasion Iraq
Failure To Secure Weapons in Iraq
Mismanagement of Major Weapons Acquisitions
Veteran Disability Claims Languish
Delay in Opening U.S. Embassy in Iraq
Air Force Failure To Maintain Nuclear Weapons Accountability
Taliban Resurgence in Afghanistan
190,000 Missing Weapons in Iraq
Other
NASA Inspector General Lack of Oversight
NASA’s Failure To Ensure Safety in Human Space Flight
Massive Backlog at Patent Office
Census 2010 Stumbles at the Starting Line
FCC Chairman Martin Under Fire
Transportation
Failing To Modernize Air Traffic Control
Human Fatigue in Transport Accidents Still Unaddressed
Close Calls on the Runway
FAA in the Dark on Maintenance
Record Delays in Air Travel
FAA Inspectors Cozy Up to Airlines
Highway Funding Woes
White House
Controversial Assertion of Executive Power
Excessive Executive Secrecy
Signing Statements Thwart Congressional Intent
Vice President’s Office Exempts Itself From Information Safeguards
Executive Office of the President "Loses" E-mails
Broken Government | Failures by Full List