A year ago today, the investment banking giant Lehman Brothers filed for bankruptcy — opening the door to a total economic collapse and full-blown recession. An ABC News poll this week found that 65 percent of Americans have been hurt by the meltdown. A staggering 15 million people are out of work. And now, you're hearing some of the same headlines that triggered outrage a year ago: more big bonuses and the same risky lending that got us into this mess. So tonight, we ask you: Has the culture really changed on Wall Street? Tell us what you think. You can follow "Nightline" anytime on Twitter: http://twitter.com/Nightline.