." >> the head of the food and drug administration talked to margaret hamberg testifies next about the fda's priorities and asked about a new pain drug and allegations that doctors are overprescribing antibiotics. senator tom harkin shares the health, education, labor, and pensions committee. [inaudible conversations] >> good morning, the hearing on health, labor, education, and pensions comes to order. we examined the initiatives undertaken by the agency like several significant reforms passed over the committee over the last few years. our nation faces a variety of public health chmgs in the early part of the 21st century, rapid changes on where products are made, how they are made, and where our food comes from. there's major innovation with treatments that save lives, more diversified foot supply, and these dynamics prented prisks and greater challenges for regulatory oversight. the health committee addressed many of the challenges in recent years, and approving the things that can still get done in washington. i want to thank ranking member al exander for being a great partner and