i always talk about my conversations with david axlerod leading into the 2012 campaign. david told me this is how much we're going to win by in ohio and this is how much we're going to win by nationally. he knew all the voters would come out. they had an amazing get out the vote operation and it makes a huge difference. i think if he wants to win, he better be up one or two percentage points in most of those states on election day because he's going to get blown out when it comes to the get out the vote operation. launched a new election index called the trump tax. ezra, there are several candidates, i would guess that kelly ayotte would be one of them. ron johnson would be another that are suffering from this trump tax. explain it. >> so, you can, political scientists have created a lot of what we call forecasting models for elections. if you know some pretty basic information, which party controls the white house and what the president's approval rating is and what the economy looks like, you can predict elections it's pretty strange with real accuracy. we work with a t