let me start with you, kelly dittmar. remind us, how did american women vote in the last few presidential elections? >> sure. so there's a persistent gender gap in terms of women's support and presidential vote choice. where we see women more likely to vote for the democratic candidate than their male counterpart. if you look at 2012, for example, you see women were supporting barack obama at about 55% compared to men at about 45%, so we call that a 10-point gender gap. if you break that down, you see even stronger support among women of color for barack obama at 96%, for example, among black women. >> woodruff: an ann selzer, what do we see so far this year in how the women's vote is break down based ton exit polls in the primaries so far? let's start with the republicans. >> well, we're just starting to see things coalesce here. in terms of the primaries with bernie sanders and hillary clinton, she is leading with women. she's not necessarily leading with younger women. so that really remains her challenge as she thinks