In April, BMW launched a car-sharing program in Seattle with plans to expand it to three more U.S. cities this year. GM and Daimler are also experimenting with their own versions, which is creating new questions for the industry and drivers. Tim Stevens, editor-in-chief of CNET’s auto site Roadshow, joins “CBS This Morning” to discuss the evolving car-sharing industry. Source

The traveling elephants of Ringling Bros. and Barnum & Bailey Circus performed their final act Sunday night in Rhode Island. Their departure comes after a shift in public opinion about the animals’ welfare. Dana Jacobson reports. Source

An American once held in North Korea is opening up about his captivity. In 2014, Kenneth Bae came home after two years in a North Korean prison. He is detailing his time inside the secretive country in the new book, “Not Forgotten.” Only on “CBS This Morning,” Bae tells Margaret Brennan how he now views his imprisonment as a blessing. Source

In this web exclusive, the bestselling salsa singer tells correspondent Tracy Smith how he customarily begins each performance. Source

Eighty-five years ago today the Empire State Building opened for business in New York City, and immediately became the signature building of the Big Apple’s skyline. Jane Pauley reports on the numerous historical chapters attached to the landmark that stands 102 stories tall. Source

More and more Americans age 55 and older are using marijuana. Many – converts who previously preached the dangers of drugs – are advocates for the medicinal benefits of cannabis in treating the aches and pains of aging. Barry Petersen reports. Source

A booster shot could provide extra protection against COVID-19 variants, according to drugmakers. Source

Mould was a musical pioneer whose career began with the band Hüsker Dü, back in the punk era of the late ’70s. That band influenced the likes of Nirvana and the Pixies. He later formed the alternative rock group called Sugar, and for the past 20 years, he has led a successful solo career. Anthony Mason reports. Source

In Los Angeles Friday night, director Randi Lennon accepted the 2016 Daytime Emmy Award for Outstanding Directing in a Talk Show/Entertainment News or Morning Program. Source

“Captain America: Civil War” is the latest blockbuster from Marvel opening nationwide next Friday. Despite the calendar, it also kicks off the summer movie season. ScreenCrush.com managing editor and critic Matt Singer joins “CBS This Morning: Saturday” to discuss what films to watch for this summer. Source