The Warning:

In the midst of the 1990's bull market, one lone regulator warned about derivatives' dangers--and overnight became the enemy of some of the most powerful people in Washington.

You can watch the entire program on line here as well as additional invertiews with Brooksley Born, Gary Gensler, Michael Greenberger, Arthur Levitt and Joseph Stiglitz.

From Frontline's interview video timeline of the events starting in 1987-today.

I highly recommend watching the entire hour at PBS's site, but here's one more portion I wanted to share here.