Do your charitable donations suck? Are you failing to save lives due to greed you don't even realize you have? Do poor people have the right to take all of our stuff? One of the world's most famous philosophers talked about these very topics with us.

In 2010, Mary Kay Henry was elected president of the 2 million-member Service Employees International Union. She's played major roles in ongoing battles over labor rights, wages, immigration, and health care. She's here to answer your questions now.

Economic inequality in America has reached staggering levels. Union membership has reached all time lows. What is the future of labor in America? Let's discuss it right now, with author and labor expert Stanley Aronowitz.

Julian Assange is the founder of Wikileaks. A wanted man, he recently began his third year living in the Ecuadorean Embassy in London. He joins us now to answer your questions about his new book, When Google Met Wikileaks.

In 2010, Jon Gnarr—an actor, comedian, and punk-inspired artist of sorts—was elected mayor of Iceland's largest city on The Best Party ticket. His gonzo approach to campaigning and governing made him world famous. He's here to take your questions.

Harvard law professor and public intellectual extraordinaire Lawrence Lessig has a bold idea: raising money in order to take money out of politics. He's here to answer your questions about his plan to start a super PAC with the express purpose of destroying super PACs, and saving democracy.

Ken Silverstein, a veteran of Harper's, the LA Times, and many other places, is one of America's great crusading balls-to-the-wall lefty investigative journalists. His new book explores power, intrigue, and corruption in the global oil industry. He will be answering your questions at 1 p.m. Ask your question now!

Some years ago, journalist Bill Carter found arsenic in his family's garden. It was there because of local copper mines. That prompted him to delve into the hidden dangers of copper—"the metal that runs modern civilization." He will be here to answer your questions, below.

The story goes like this: In 1961, the 23-year-old Michael Rockefeller (son of Nelson), was in the Asmat region of New Guinea, collecting local relics for his father's Museum of Primitive Art. His boat overturned a few miles from shore and he decided to swim back. After doing so for some 20 hours, he was greeted by…

Peter Singer is a professor of bioethics at Princeton University and one of the world's most prominent—and controversial—moral philosophers. He's written influential works on poverty, charity, and euthanasia, and is considered a founder of the modern animal rights movement. He's here to speak to you.

Yoruba Richen's documentary The New Black (opening today at New York's Film Forum) achieves what seemed impossible before it: It examines the generalized notion that the black community is homophobic with specificity and subtlety. Using the backdrop of the fight for marriage equality in Maryland in 2012 (where it was…

The 56th annual Grammy awards are tonight, so let's all settle in and talk about them while we watch them.

Detroit is bankrupt. The once-great city languishes deep in debt, unable to provide basic city services, as it debates cutting pensions and selling off the city's art collection. What's the right move? We, the writers of Gawker, have very strong opinions.

During his six years as a U.S. Air Force drone sensor operator, 27-year-old Brandon Bryant helped kill, by his estimation, 1,626 people in combat, mostly from bases in the U.S., thousands of miles away from the battlefields of Iraq and Afghanistan. Years later, he's dealing with PTSD and speaking out about the…

Veteran journalists and married couple George Rush and Joanna Molloy spent 15 years as gossip columnists at the New York Daily News, earning a reputation as the more upstanding yin to Page Six's take-no-prisoners yang. Rush and Molloy will be here at 2 p.m. to discuss their new book, Scandal. Ask them gossipy…