The financial powerhouse Goldman Sachs just posted its biggest quarterly profit ever in it 140-year history. How did they do this, just months after receiving federal bailout money? Our guest, Matt Taibbi, writes about Goldman Sachs in Rolling Stone. He says the firm has engineered every major market manipulation since the Great Depression, and is about to do it again.

We'll speak with Elizabeth Warren, Harvard law professor and chair of the congressional panel to oversee the U.S. bank bailout. Warren is also one of the movers behind the White House's proposal to create a new Consumer Finance Protection Agency.

Entrepreneur Elon Musk, who co-founded PayPal, has turned his attention to SPACEX, which he hopes will become the first private company to take astronauts into space. Musk's vision for future space exploration includes commercial private space flights and settlement on Mars.

It's been 40 years since astronaut Neil Armstrong took his one small step for man on the surface of the moon. President Bush set a goal of establishing a permanent human presence there by 2020. But with a recession and a $50 billion mission price tag, is there a good reason to go back? Our guest is David Mindel, professor of the history of technology at MIT and author of  the book "Digital Apollo: Human and Machine in Space Flight."

The movie "Harry Potter and the Half Blood Prince" is finally out. It's the latest film in the lucrative Potter franchise. The BBC's Vincent Dowd reports on the concept of the franchise film and whether it's changing the film industry.