a speech on the home turf of the institutions he credits with fueling prosperity and blames for the worst recession since the great depression. the rules that he's promoting would likewise be the biggest financial regulatory overhaul since the 1930s. check out this time line, just to give you a sense of how it works. in the wake of the depression we got what was called the glass stegall act. you probably heard art that. it kept commercial banks separate from investment banks and set up the fdic. the next year we got the securities and exchange commission, the s.e.c. fast forward. there are little things that happened in between. but fast forward to 1990. wake of the sell-off of black monday in the markets reform act and s.e.c. was strengthened again. in 1999, six years after glass-steagall, congress repealed that. the wall between commercial banks and investment banks came down at that point. three years later came the law known as sarbanes-oxley on the heels of enron and worldcom and