P.M. Edition for Aug. 8. The U.S. has warned Iran that it could suffer a devastating blow if it were to mount a major attack against Israel. And banking reporter Gina Heeb says a newly declining mortgage rate could provide some relief in the U.S. housing market. Plus, the U.K.’s Competition and Markets Authority is seeking to establish whether Amazon’s investment in AI company Anthropic should be considered a de facto merger that might stifle competition. Pierre Bienaimé hosts. Sign up for the WSJ's free What's News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices