He was responsible for some of music’s most enduring hits, and now a new biography brings unknown hitmaker Bert Berns to life. Rock journalist Joel Selvin joins “CBS This Morning: Saturday” to discuss the R&B legend and his new book “Here Comes the Night: The Dark Soul of Bert Berns and the Dirty Business of Rhythm and Blues.” Source

A musical based on the 1976 movie that made Sylvester Stallone a star was nominated for four Tony Awards. Kristine Johnson goes behind the scenes for an inside look at Rocky Balboa’s Broadway success. Source

Jeffrey Kluger, senior science editor for Time Magazine, joins “CBS This Morning: Saturday” with more on the deadly MERS disease that has made its way from the Middle East to Indiana. Source

The CDC says a deadly disease called Middle East Respiratory Syndrome, or MERS, has turned up in Indiana. Until now, the virus has been seen only in the Middle East and Europe and about 100 people have died from it. Dr. Jon LaPook reports. Source

It sounds like science fiction but a 3-year-old boy in San Jose, Calif., was made radioactive to fight an aggressive form of cancer. The special treatment may be the only thing that saves his life, reports KPIX-TV’s Elizabeth Cook. Source

Breast cancer treatments save lives, but can also be hard for patients to tolerate. One hospital is helping women with a method that may surprise some people. Marlie Hall reports. Source

Nick Dietz compiles some of the week’s best viral videos, including seal belly rubs shot on a GoPro, what it’s like “living with lag” and a backflip fail at Davenport University. Plus, HelloDenizen’s “Tiny Hamsters Eating Tiny Burritos” is simply awesome Source

The growing cannabis industry wants a voice in Washington. Nancy Cordes speaks with Michael Correia, the industry’s first full-time lobbyist. Source

In a first-of-its-kind report, the CDC says up to 40 percent of deaths from the five leading causes are preventable. Dr. Tara Narula discusses the new findings with “CBS This Morning” co-hosts. Source

During the annual May Day march in Seattle, at least nine people were arrested. Charlie Rose reports. Source