World News Roundup

Isaias rumbles ashore in North Carolina, and threatens much of the East Coast with powerful winds and heavy rains. President Trump defends his coronavirus response. Newly-leaked videos show the George Floyd encounter -- from an officer's perspective. Correspondent Steve Kathan has the CBS World News Roundup for Tuesday, August 4, 2020. Learn more about your ad choices. Visit megaphone.fm/adchoices