but you know, getting back to the sec, i have to say in 2007, mary schapiro admitted recently, and she's the head of the sec, we only had 27 people overseeing these big investmentanks. and i think it's a breath of fresh air to see more talent at the sec and a more robust team looking at these big, big giant pieces of risk. >> all right, lawrence mcdonald, john coffee, thank you both very much. >> thank you. >> thank you >> lehrer: now, a second story about investment companies, this on private equity firms and the companies they buy. newshour economics correspondent paul solman explains. it's part of his ongoing reporting on "making sense of financial news." >> reporter: new york city's times square where tourists still flock despite a terrorism scare this spring. but business reporter josh kosmin is spooked by incendiary device of a different kind, debt bombs. especially from companies like these, that were taken over by private equity firms. kosmin who has written a book on private equity, the buyout of america sees a lit fuse almost everywhere he turns. especially in times square. >>