This week's broadcast, with guest host Lee Cowan, looks back at the memorial services for Senator John McCain and the "Queen of Soul," Aretha Franklin. Also: Cowan finds out how some companies are welcoming workers with autism; Margaret Brennan talks with former senator and secretary of state John Kerry; Anthony Mason profiles singer-songwriter Leon Bridges; Anna Werner checks out traveling exhibitions celebrating Norman Rockwell's "The Four Freedoms"; Martha Teichner catches up with '60s fashion icon Twiggy; and Conor Knighton visits the Washboard Music Festival in Logan, Ohio.