Portside

Rachel Maddow discusses how there is money to be made in pandering to the conspiracy-minded fringe in America -- for example, in a conspiracy dating service.

Harvest of Empire is "The Untold Story of Latinos in America." It is one of the many films featured in the first-ever Global Labor Film Festival, starting May 1, and including a wide range of films from classics such as "Salt of the Earth" and "Reds," to brand-new films like "Dreamwork China," "Harvest of Empire" and "The War on Whistleblowers."

Empathy, cooperation, fairness and reciprocity -- caring about the well-being of others seems like a very human trait. But Frans de Waal shares some surprising videos of behavioral tests, on primates and other mammals, that show how many of these moral traits all of us share.

Bluesologist Gil Scott-Heron preaches and teaches, accompanied by searing images.

Carmen Reinhart and Kenneth Rogoff's 2010 debt study inspires austerity around the world, but grad student Thomas Herndon debunks the results. 

Michael Isikoff talks with Rachel Maddow about how investigators will interrogate Boston Marathon bombing suspect Dzhokhar Tsarnaev and what they'll hope to learn now that he has been captured alive.

Scientists have come up with a way to make whole brains transparent, so they can be labelled with molecular markers and imaged using a light microscope.

Lewis Black learns that the moocher poor should pay their fair share -- just so long as it doesn't involve taxes on cigarettes, soda or guns. 

The focus of this award-winning documentary film is the stories of the poor (and near-poor) about how they manage their lives and families. More information here.

Actress Glenda Jackson has been a member of British parliament for more than two decades. Here is her clarion discussion of the motion to pay tribute to the Baroness Thatcher.