. >> mark preston, our cnn senior political analyst and will analyze all things in a second, but you have big news about the next debate. hit me. >> i do, brooke. talking, of course, about last night's debate, but what about the next debate? well, the next debate will be cnn and the "new york times." co-hosting, we're co-hosting with the "new york times" the next president's debate in westerville, ohio. that is right outside of columbus. mark the date for october 15th. it's a possibility that there could be a second night that's added. moderating the debate anderson cooper and erin burnett from cnn along with the "new york times" national editor mark lacy. now, the cnn "new york times" democratic presidential debate is heard live from the campus's audubon university. mark the date. october 15th. >> got it. about last night and we played julian castro and cory booker, how they really took on joe biden. do those comments backfire for them? >> a couple things. one, immediate reaction when castro attacked the vice president, but then carried it further and brought in the whole obama lega