Glass-Steagall was an act that was passed in 1933. It remained on the books and enforced until 1999. Within 5 years after it was repealed in 1999 we were in a massive bubble that shortly thereafter burst and our economy is now wrecked. Get more details on this and sign the petition to support H.R. 1489 here.
Below is the link to the PDF version on the bill. It is only 16 pages and contains everything essential to alleviating about $17 trillion of US Federal Debt, which should immediately be used for emergency aid to the states.