for driver kenny watson, whose part time employment just became full time, the investment is alreadyaying off. >> brown: this week the newshour announced that miles o'brien, the reporter on that story, will join us as our science correspondent. and we're very happy to welcome him aboard. >> suarez: lawmakers continued their probe today of a drugmaking giant and the way it's handled recalls and manufacturing problems. "newshour" health correspondent betty ann bowser has the story. the health unit is a partnership with the robert wood johnson foundation. >> reporter: johnson and johnson has recalled over the counter medications for children and adults nine times in the last year for a range of problems. one of those recalls was the largest in history of children's non-prescription drugs. and in recent weeks, the company has acknowledged that it and a subsidiary pulled adult motrin from the shelves without publicly announcing a recall. today the company's top executives were called before the house oversight committee to explain committee chairman, new york democrat edolphus towns: >> s