. >> and in washington, the husband of c-span's greta brawner caught this photo of vice president pence shopping for his valentine and former president barack obama tweeted out a happy valentine's day to michelle obama saying, almost 28 years with you, but it always feels new. >>> i had a piece of information that bob woodward wanted. i didn't articulate that to myself, but when i look back and asked myself why i did this bad and stupid thing, i think that's what it comes down to. >> sunday night on q&a, georgetown university professor barbara feinman todd talks about working as a researcher and ghost writer for hillary clinton, carl bernstein and bob woodward. in her book "pretend i'm not here: how i worked with three newspaper icons, one powerful first lady, and still managed to dig myself out of the washington swamp". >> i resisted, you know, i just spoke in general terms about what it was like being in the white house, and then i told them the story about being in the room during this unusual exercise. but i told them, you can't use it, there were only these two women in the room, w