Next on the CBS Evening News…How the White House plans to lower prescription drug costs, and just how much more affordable can they get for millions of Americans. Ahead on the CBS Evening News, Recent storms are threatening homes along the beaches of North Carolina's outer banks. What's being done to prevent its coastline from vanishing. Coming Up on the CBS Evening News, How one school in Austin, Texas is putting artificial intelligence to the test, with results that could reshape education nationwide.