host: you can also e-mail in your comments. you can also find us on twitter. we can share that on the air. you can join the conversation on facebook. let s take a look at comments that have been coming in on our c-span page talking about who the most influential first lady was. paul writes barry says the white house host: here is a comment on twitter. we are talking about the first ladies in honor of presidents day on c-span. let s take a look the clip of the tour of the first ladyies. [video clip] why are we interested in what the first lady wears? we look to her clothing for clues about what she is like as a person, about what the administration may be like, both in its style is it extravagant? is it simple? possibly something about her politics. is it american made. do you proudly say that you only wear american designers? carolyn harrison made a point of only wearing american fabrics and american-made closing. if you look to the back, you ll see a beautiful dress