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John Oliver discusses the lethal injection process, which is definitely not as pleasant as talking about a squeaking frog

In honor of blues legend Robert Johnson's birthday, Playing for Change shares "Walking Blues," featuring Keb' Mo' along with musicians from six countries. Originally written and recorded by Son House in 1930. The PFC version starts in Argentina with Roberto Luti and Nico Bereciartua playing slide guitars, and adds friends to create a blues jam around the world.

Newly released police footage sheds light on the truth behind Sandra Bland’s death in custody — now her family is asking for the case to be reopened

Political news coverage tends to focus on strategy over substance, and that’s making it less likely that the public will agree on big policy ideas when we need them the most

Social cognition researchers are finally probing the secrets of the feline mind—when the cats deign to cooperate

Stephen attempts to capture the substance, nature, and context of William Barr's incredibly hard-to-watch testimony

Studs Terkel does the introduction to the beloved Woody Guthrie song, sung by Judy Collins, Pete Seeger, Fred Hellerman and Arlo Guthrie in this 1976 broadcast from PBS studio in Chicago. Full appreciation of the radical life of Pete Seeger here.

Elizabeth Warren joins Lawrence O'Donnell to talk about her call for impeaching President Trump and how her prolific policy proposals are being received in the 2020 Democratic primary.

This video explains Shor’s Algorithm, a way to efficiently factor large pseudoprime integers into their prime factors using a quantum computer. Bottom line: if quantum computers scale up, computer security that depends on the difficulty of factoring will be destroyed.

"Never before have I given a speech without my natural voice. Never before have I had to rely on a synthetic voice to lay out my arguments, convey my most passionately held beliefs, tell the details of my personal story."

Looking to stay busy in between episodes of Patriot Act, Hasan found a job listing for a graphic design position at the CIA. Watch as Hasan takes us through his portfolio for the job and discusses the CIA's "close" relationship with the Muslim community. Inspired by Hasan's work? Check out the listing and apply!

The Supreme Court is set to rule this term on whether partisan gerrymandering is unconstitutional, and a new film, "Slay the Dragon," takes a look at how districts are drawn. Directors Barak Goodman and Chris Durrance join "Red and Blue" to discuss their documentary, premiering at the Tribeca Film Festival this month.

Former vice President Joe Biden officially launched his 2020 campaign, with a video confronting Trump about his response to violence in Charlottesville. The Washington Post’s EJ Dionne tells Ari Melber Biden was trying to “occupy a vision above the field” in a crowded Democratic field.

This is the second species of diminutive human to be found in south-east Asia. Both species lived around 50,000 years ago, at a time when Asia was also home to our species, the Neanderthals and a group called the Denisovans. The new species raises many questions, including who were its ancestors and how did it move?

Fox News judicial analyst Andrew Napolitano broke ranks and said that Trump obstructed justice multiple times. It was part of a terrible campaign day for the president.

After two years of waiting (mostly) patiently, Stephen finally gets his hands on the Mueller report. And it was worth the wait.

What if we actually pulled off a Green New Deal? What would the future look like? The Intercept presents a film narrated by Alexandria Ocasio-Cortez and illustrated by Molly Crabapple.

Democratic presidential candidate Sen. Bernie Sanders discusses his tax returns, his tax plan, the perception of socialism, calls for new Democratic leadership, a potential Biden candidacy and health care with Fox News moderators Bret Baier and Martha MacCallum.

Based on a true story that gripped the country, When They See Us will chronicle the notorious case of five teenagers of color, labeled the Central Park Five, who were convicted of a rape they did not commit. The four part limited series will focus on the five teenagers from Harlem -- Antron McCray, Kevin Richardson, Yusef Salaam, Raymond Santana and Korey Wise. Beginning in the spring of 1989, when the teenagers were first questioned about the incident, the series will span 25 years, highlighting their exoneration in 2002 and the settlement reached with the city of New York in 2014.

What if Fox News covered Trump the way it covered Obama? It would look like this.

Hasan analyzes the current state of politics in India and what it means to him as an Indian-American, with a focus on the country’s upcoming elections. Hasan discusses how recent conflicts with Pakistan, widespread economic issues under current Prime Minister Narendra Modi, a resurgence of Hindu nationalism, and corruption scandals amongst major political parties in the country will play a role in determining the future, and the identity, of India.

Melber demonstrates how the indictment could be viewed as an aggressive and potentially chilling document for journalists in the U.S. and abroad

What it took to collect these 54-million-year-old photons from a supermassive black hole

Robert Reich explain how the wealthy and corporations receive billions in corporate welfare

Senator Bernie Sanders talks about his emergence as the 2020 Democratic presidential front-runner, fighting for single-payer health care and tackling income inequality.

Google celebrated the renowned German composer and musician Johann Sebastian Bach with their first ever AI-powered Doodle. The Doodle is an interactive experience that encourages players to compose a two measure melody of their choice. The Doodle then uses machine learning to harmonize the custom melody into Bach’s signature music style. More on the promise and risks of AI.

"We're entering an era in which our enemies can make anyone say anything at any point in time." More on the promise and risks of AI.

Agnès Varda's recent academy award nominated film Faces Places, starring Jean-Luc Godard, JR, and Laurent Levesque. For an obituary of the influential New Wave filmaker, who died last week, see here. Her 1968 short on Huey Newton and the Black Panthers can be viewed here.

New reporting reveals the first public splintering of the Justice Department and Mueller’s team, with sources telling NBC News and other outlets that members of Mueller’s staff disagree with Trump Attorney General Bill Barr’s public characterizations of the Russia probe.