
This week on "Sunday Morning" (July 31)
CBSN
Host: Mo Rocca
COVER STORY: The harsh reality of art collecting — and forgeryArt forgery — creating and selling artwork falsely credited to famous artists — is almost as old as art itself. In 2011, an esteemed New York gallery closed its doors after selling $80 million worth of fake art. Of course, authenticity is at the heart of any artwork's true value. But, as correspondent Erin Moriarity shows us, sometimes the problem lies in the proof.
For more info:

The U.S. military scrambled fighter jets Saturday to intercept three civilian planes flying near President Trump's Mar-a-Lago estate in Palm Beach, Florida, according to the North American Aerospace Defense Command (NORAD). All three aircraft had violated temporary flight restrictions in the area, the command said.

Warren Buffett rarely gives interviews. But also rare is his friendship with the late, trailblazing publisher of the Washington Post, Katharine Graham. "If there's any story that should be told, it should be her story," he said. "If I was a young girl, I'd want to hear that story. It would change my self-image.