Producer Alex Blumberg tells the story of how Oklahoma, against huge odds, came to have the first and best publicly-funded pre-school system in the country, and how one businessman joined the fight because a cardboard box full of evidence convinced him that pre-school was the smartest business decision the state could make.

An estate attorney in Rhode Island discovers the investor's Holy Grail: a financial scheme that guarantees only reward and no risk. All upside with no downside.

Producer Alex Blumberg tells the story of Jeff Smith, a former Missouri State Senator who spent last year in federal prison. The story of how Jeff ended up there includes large sins, but begins with a relatively small one.

Planet Money's Alex Blumberg and NPR Congressional correspondent Andrea Seabrook take a tour through the world of money and politics, discovering just how much time members of Congress spend raising money and which committee assignments yield the biggest campaign donations. They also try to figure out what all this money is actually buying.For an interactive map of Washington DC fundraiser locations, charts of the best and worst types of fundraisers, and other online extras, visit Planet Money's website.

Ira Glass asks guest host Alex Blumberg whether we should really care about the current European debt crisis. The answer: yes, we should, and we should WANT to care too, because this story—and it's actually the story of the Euro itself—is very surprising and dramatic.