as you walk from the beginning, you can see john marshall, upton taft, charles evans hughes, earl warren. at present there are of all of the chief justices. in a certain sense, you're walking through the whole history of the court. >> the story of the court is designed not only by its different chiefs over time but also through continual addition of new associate justices to the bench. >> the white house operator tells you that the president is on the line. i have my cell phone in my right hand and i had my left hand over my chest trying to calm my beating heart literally. and the president got on the phone and said to me, judge, i would like to announce you as my selection to be the next associate justice of the united states supreme court. and i said to him, i caught my breath and started to cry and said thank you, mr. president. >> judge society mare are you prepared to take the oath? >> i am. >> please raise your right hand and repeat after me. i sonia sotomayor do slunly swear -- >> just white always used to say when the court gets a new member, it changes everything, it changes eve