his side at the moment. he's now fourth down from second in the latest cnn poll. and while sanders' campaign raised an impressive $18 million in the second quarter, his fund-raising total trails that of both former vice president joe biden and mayor pete buttigieg. the latter candidate with far less national name i.d. on the plus side for bernie, his base of supporters remains very enthusiastic about a sanders presidency. but that base doesn't appear to be growing. so here to discuss, my candidate of the week, bernie sanders, is a guy who knows all the numbers, cnn's senior political writer and analyst, harry entin. har harry, break down sanders' slipping poll numbers for us. what's this about? >> let's take a look at where he was pre-debate versus post-debate and look at all the candidates and see how that debate may have changed things. biden is still in the lead, but he has fallen down to 25%. but what we see now is kamala harris has jumped up to second place and bernie sanders has