Celebrities turned out to skewer Justin Bieber during Comedy Central’s roast of the Canadian singer. And Rihanna’s voice is coming to a theater near you. Suzanne Marques has your Eye on Entertainment. Source

Sir Elton John has called for a boycott of Dolce and Gabanna after the two Italian designers made derogatory comments about same sex parents and babies conceived via in vitro fertilization during a magazine interview. Source

Naming beer is harder than you might think. Passionate brewers are going up against each other over something as simple as the name and image. With more than one new craft brewery opening up in the U.S. every day, that’s a lot of competition, and a battle over naming beer is emerging. David Begnaud reports. Source

What once started as a funky little Texas music festival more than 25 years ago, “South by Southwest” has grown. About 150,000 people gathered in Austin for the 10-day showcase of music, independent film and cutting-edge technology. Managing editor for the website Screencrush.com Matt Singer joins “CBS This Morning: Saturday” from Austin. Source

Inmates are now taking classes to learn how to become computer programmers when they get out. One notorious California prison is trying to turn criminals into coders. Omar Villafranca tells us more. Source

The shooting was the worst in the city since 1997, when a former Caltrans employee killed four people. Source

Researchers may have found a better way to make our natural immune systems fight cancer. And, a special problem study links parental praise to narcissism in kids. Doctors Jon LaPook and Holly Phillips join “CBS This Morning: Saturday” to tell us more about these developments. Source

First Lady Michelle Obama took her dance moves to “Ellen” on Thursday. CBSN’s Vladimir Duthiers and Kristine Johnson also get in on the fun. Source

Sirius Radio may be in for a devastating blow. Legendary shock jock Howard Stern is reportedly leaving the satellite radio company when his contract is up in December. CBSN’s Vladimir Duthiers and Kristine Johnson have more on the increasingly ugly contract negotiations. Source

President Obama, who was in Southern California for a fundraising trip, shared his brand of comedy with late night host Jimmy Kimmel Thursday. But not everyone in Los Angeles was laughing. Omar Villafranca reports. Source