The economy, President Obama's first month in office

Obama's speech, Bobby Jindal, marijuana, home ownership, Iraq, Afghanistan and troops, future of the Rep. party, Vatican and indulgences

The economy, sustainable energy, charity and philanthropy, socialism

State of the Republican party, racism in America, the Teachers' Union, stem cell research

AIG bonuses, the crisis, Teenage pregnancy in America, Glenn Beck, right-wing power

Banking crisis, legality of cannabis, Nuclear proliferation

2009 G-20 London summit, tax cut, health care, Carbon tax, Nuclear power

Maher conducts one-on-one interviews

Obama's first 100 days, Torture Memos, economy, gun control, environment and global warming, children's health

2009 flu pandemic, state of the Republican Party, terrorism, David Souter's resignation, Arlen Specter's party switch, Israel

Tax evasion by big companies, torture, Pakistan & Taliban, US military handing out bibles, gay marriage

Torture, climate change, gay marriage, War on Drugs

Global economic crisis, the progress of the Obama administration, Dick Cheney, religion in the United States

State of the Republican Party, torture and Guantánamo Bay, North Korea's nuclear weapons threat, nomination of Judge Sonia Sotomayor to the Supreme Court, and California Supreme Court's decision regarding California's Proposition 8

Obama's visit to the Middle East, terrorism, abortion debate and the murder of Dr. George Tiller, gay marriage, health care reform in the United States

2009 digital television transition, Holocaust Memorial Museum shooting, racism, affirmative action, nomination of Judge Sonia Sotomayor to the Supreme Court, terrorism, car culture in the United States, socialism

Iranian presidential election, 2009, health care reform, David Letterman joke controversy, sexuality and infidelity in politics, 2009 imprisonment of American journalists by North Korea

Maher conducts one-on-one interviews

Sonia Sotomayor confirmation hearings, racism and the Republican Party, clean coal electricity debate, health care reform in the United States, Israeli-Palestinian conflict, death of Michael Jackson, drug use in the United States, death of Walter Cronkite, 40th anniversary of the Apollo Moon Landing

Henry Louis Gates arrest controversy, racism and the Republican Party, Barack Obama citizenship conspiracy theories, health care reform, military–industrial complex

Henry Louis Gates arrest controversy, health care reform, current economic crisis, resignation of Sarah Palin as Governor of Alaska

Health care, town hall mobs, Sarah Palin's 'death panel' comments, confirmation of Sonia Sotomayor, prescription drugs, children's health, bailouts, criticism of Bill Clinton's role in freeing American journalists

'Death panel' claims, healthcare, income inequality, the current state of the Republican party, John O. Brennan 'ending' the war on terror, town hall discussions, mobs comparing Obama with Hitler, climate change

Health care reform, protesters bringing guns to town halls, controversy over private military contractors like Blackwater, politicization of the terror alert level system in the 2004 presidential election, lack of employers offering vacation and sick leave pays

Maher conducts one-on-one interviews

Healthcare reform, eighth anniversary of 9/11, response to terrorism, the wars in Iraq and Afghanistan, race and criticism of Barack Obama, the media, global warming skepticism

Health care reform, racism

Capitalism, the economy, the housing market, gay marriage, marijuana reform, terrorism

Criticism of Barack Obama, health care reform, the senate, Iran's nuclear capabilities, religion in America, terrorism, Hollywood defending Roman Polanski

Barack Obama winning the Nobel Peace Prize, Iran, peace, Afghanistan, Al Qaeda, the economy and the job market, income inequality

Balloon boy hoax, Afghanistan, Al Qaeda, health care reform, H1N1 vaccination concerns, ongoing efforts to repeal Don't ask, don't tell, sexual harassment in the military, Rush Limbaugh's failed bid to buy the St. Louis Rams, steroid use in professional sports