 Tech stocks toxic today, especially chip makers. The NASDAQ down close to 3%. The S&P down 1.25%. The Dow, though, is up 0.5%. I'm Nancy Lyons, Bloomberg Radio. CBS News Brief. A new APNORC poll shows two-thirds of Democrats asked say they want President Biden off the ticket. Here's UVA political analyst Larry Sabato. I normally don't overreact to a single poll, but I have seen others that say the same thing. And I've also seen...