. >> stahl: who's afraid of virginia woolf?oodwin: yeah. >> "lincoln": for everyone's god damn sake, i should've clapped in the madhouse. >> "mary todd lincoln": then do it. do it. don't you threaten me, you do it this time. lock me away. >> stahl: when the movie starts, their second child has already died, willie. and she has been in the deepest of mourning. as i had heard, she basically closeted herself upstairs in the white house. and is this true, doris, stopped mothering the younger child, tad? >> goodwin: the most terrible thing that mary did after willie died was she couldn't bear being with tad, her youngest son, because he reminded her of willie's absence. it's as if both willie and tad died after willie died. lincoln had to become both mother and father to tad after mary turned away. and he had to take over not only the country, in leading the country, but take over that little kid at the same time. what you see are the kinds of gestures that are so loving-- when he lies down next to him in the fireplace, when he carr