. >> reporter: her brother craig robinson remembers then-senator obama enlisted him to help sell herince him to run for president. >> he said i think i'll take a run at the presidency, i was like what? if you talked to your wife about in? he was like, no, he says to me, you got to do me favor, you got to talk to her because she's not going to go for it. i was like, you're right, darn right she's not going to go for it. >> reporter: craig tells me -- >> yeah. >> reporter: -- your husband was outright nervous to tell you that he wanted to run for president. is he a little bit intimidated, a little bit afraid of you, do you think. >> no, not at all. this is one of the things i love about barack, he's so used to having strong women in his life, it's odd, i tell him that this is somehow god keeping his testosterone in check, because really he's surrounded by women. he grew up with a single mom, his grandmother was the true head of the household. he married me, he's got malia and sasha who do not mince their words and he's sustained himself through a life a strong women. >> reporter: her s

obama and her brother, craig robinson, sat down with our jessica yellin. >> how do you do? nice to see you. >> we spoke to michelle obama and her brother craig shortly before the debate. it falls on an important day for the first couple. i wonder in your wildest dream, you ever imagined would y ed yo spending your 20th wedding anniversary on a double date with the romneys. >> no, i can't say this would have been the plan 20 years ago. and, in fact, i told barack, you know, attending a presidential debate on my 20th anniversary is probably the worst way for me to spend. i -- i get so nervous at these debates, and, you know, i'm like one of those parents watching their kid on the balance beam. you're just standing there, just trying not to, you know, have any expression at all. so, no, i -- i would not have chosen this, but i'm excited about it, and i know he's going to do a great job. >> reporter: her brother, craig, a gramsman in the wedding. tell me about the wedding. was he nervous? >> no, i do remember that. he wasn't nervous. >> he had a bad cold. >> but we were joking a

obama, she was campaigning with her brother, craig robinson, and she told me how she'll feel when she'sg the president debate. >> i get so nervous at these debates. you know, i'm like one of those parents watching their kid on the balance beam. you're just standing there, just trying not to, you know, have any expression at all. >> i've read that before a speech, you tell him, have fun, but a debate's a little bit different, because it's more of a competition, more like a game of one on one. what's your motivational advice to him before -- >> you know, he doesn't need much advice. he's been doing this for quite some time. so he knows the job. he's been doing it for quite some time. he's a very good debater. so i do tell him to have fun and relax and just be himself, because the truth is, if he's the barack obama the country has come to know and trust, he's going to do a great job. >> now, some of his aides have said, one of his challenges is to keep the answers short. and i know that you have said that you critique his speeches afterwards? >> oh, no, i don't critique his speeches afterw