. >> william allman has been the cure rateor for 46 years. >> this swhit house library. >> from the presidentialary to the red, green, and blue rooms. senate dining room a portrait of abraham lincoln looks over dignitaries from around the world. down the ceremony yil hall, the east room. nelson mandela entertained here, presidentford sworn in to office here. i toured the grounds outside. >> i'm on the south lawn. just over that edge is where marine one lands to take the president whenever he needs to go. just yards from the white house is the first lady's vegetable garden she planted to teach people about healthy living and eating. >> you, sam, serve food out of the garden? >> absolutely. during winter you can see we get to pick this great bounty but during summer we zront to buy a single vegetable. >> 180 people work inside, including ellie schaeffer, responsible for many special events here. >> from san francisco, having fun here at the white house. >> my favorite day is when the gaints came to get their world series trophy. >> howy from fremont. >> this is a great privilege. >> it's a wonderf