21% at that particular point. >> remarkable. >> that is staggering to me. twice as much attention as 2008 which was obama/clinton. >> that was obama/clinton. twice as much. no one remembers al gore versus bill bradley, but 2008 is so much larger than at that point. >> is this self-described enthusiast enthusiasm? >> this is self-described. what we can say s you know, look, google trends are really high, voters are searching the candidates, we know that a lot of people are turning out to rallies, small donors are donating to campaigns. there is a lot of different metrics that are telling us that voters are not only just tuned in, they are also really -- >> what do you want like a blood test? >> that's what i wanted, exactly what he just told us, but if you want a blood test. >> o positive. >> there are one candidate in the democratic field who is not getting the extra attention. >> or the extra attention is not necessarily good. this is bernie sanders' support by attention paid to the campaign. in a cbs news poll in the summer of 2015 bernie sanders'