#15 Planet Money: Delicious Cake Futures

When Joshua Bearman was a third grader, he got locked out of the lunchroom economy. His classmates piled their jazzed-up, sugarfied, food/not food snacks on the table and traded until the best junk won, while Joshua sat on the sidelines with the sardines and raisins his family sent. Then, one magical day, he dreamed up the delicious cake futures.

Plus: The tax details of President Obama's plan to save the economy and the environment. And an laid-off intern architect fights off the blues.