The United States has a ban on sales of Nvidia's high-level chips to Chinese firms, but Nvidia CEO Jensen Huang says China doesn't actually need Nvidia's chips. Stephen Witt, author of the book "The Thinking Machine: Jensen Huang, Nvidia, And The World's Most Coveted Microchip," joins CBS News to discuss.
False claims are circulating online blaming this month's deadly Texas flooding on a weather modification technique known as "cloud seeding." CBS News senior national weather correspondent Rob Marciano has more.
