dan schenamen, nbc news. >>> well it was an explosive day on capitol hill with arguments over one of this country's most politically divisive programs, planned parenthood. its president went before the house oversight and government reform committee giving a big stage to high profile lawmakers on both sides of the debate. nbc's kelly o'donnell reports. >> reporter: the president of planned parenthood, cecile richards, faced five hours of tense -- >> will the gentleman yield? >> no, i won't. >> reporter: -- sometimes confrontational questioning. >> you can't tell me how much you actually make from abortions? you can't give that number? >> i can't tell you -- >> you can't tell me how much you actually make from abortions. >> reporter: planned parenthood is under political fire from the campaign trail to the capitol. republicans want to strip its federal funding, stoked by controversial undercover videos, made by an anti-abortion activist. >> if this was all untrue, then why did you apologize? >> well, congressman, first, i think everyone has agreed they will heavily edited, and that ce