This week on “Sunday Morning” (June 15)

The Emmy Award-winning “CBS News Sunday Morning,” hosted by Jane Pauley, airs Sundays at 9:00 a.m. ET on CBS and streams at 11:00 a.m. ET. This week’s cover story highlights Harry Chapin’s legacy as a singer-songwriter and philanthropist, alongside features on U.S. Army history, the allure of Indy car racing, and Desi Arnaz’s impact on television.