think kamala harris did the best job in the debate. that's well ahead of her competitors. warren at 13%, biden at 10% and "the new york times" reports republicans view harris as a threat. quote, after her breakout performance in the democratic presidential primary debate thursday night, trump campaign aids and al lice acknowledge that had harris, a black former prosecutor from the donor ladened state of california could prove to be a vexing adversary. back with us, juana summers and ken press from the "the wall street journal." juana let's start with you. obviously there was going to be some movement after those debates. the polling seems to reflect what people were watching in that debate. a sense that on the first night, elizabeth warren did well, on the second night, kamala harris had a strong moment versus joe biden and that joe biden didn't deliver the performance of his life.