Not likely, but credit crunch proves we can invent new screw-ups
                                
                                
                                    (Newser) -
                                    Twenty years ago, Black Monday—now, the credit crunch. Haven’t we learned a thing? Yes and no, says MSNBC: Today, "circuit breakers" make a 1987-style sell-off unlikely by cutting off trading at certain limits. And new, tighter mortgage standards will keep credit under control. But greed and fear...