As part of sweeping regulations on the multi-billion dollar e-cigarette industry, the federal government banned sales of the products to anyone under the age of 18 Thursday. Last year, three million teenagers used e-cigarettes. Dr. Jon LaPook has more. Source

A federal judge says Crosley Green was wrongfully convicted of murder. “48 Hours” spends the first hours of freedom with the Florida man. Source

The newest Marvel superhero movie, Captain America, is expected to have a record-shattering opening at the box office. Many superhero fans are hoping this will live up to the hype after disappointment with recent superhero releases. CBS News contributor Jamie Wax joins CBSN to discuss. Source

Speaker Paul Ryan (R-Wisconsin) said Thursday he is “not ready” to throw his support behind Donald Trump. Ryan, who will serve as chairman of the Republican National Convention in July, says he wants Trump to unify “all wings of the Republican Party and the conservative movement” before he is ready to support him. CBS News senior political editor Steve Chaggaris joins Vladimir Duthiers to discuss. Source

Rice’s family wants federal prosecutors to convene a grand jury to consider charges against the police officers. Source

On Oct. 16 2014, Army soldier Skylar Nemetz was taken into custody after he shot and killed his wife, Danielle. He was recorded on camera just minutes after the shooting. Do his statements sound like the words of a distraught husband who accidentally shot his wife or do they sound like the words of a cold-blooded killer? For more, watch “48 Hours: The Soldier’s Wife,” Saturday, July 8 at 10 p.m. ET/PT on CBS. Source

Juice cleanses are a $100 million industry and claim to flush toxins or help with weight loss, but is that true? A recent New York Times article argues that many juice cleanses are making false promises. CBS News medical contributor Dr. Holly Phillips joins CBSN to break it down. Source

Dolly Parton is a prolific songwriter, successful actress and even an owner of her own theme park. The 70-year-old’s life has been the quintessential rags to riches story, but she’s no cliché. In this excerpt of Gayle King’s interview with the icon, Parton discusses how the “town tramp” inspired her trademark look. Source

In an interview with “CBS This Morning” co-host Gayle King, the prolific songwriter and actress recounts the story behind “Little Tiny Tassel Top,” a song she wrote as a child. Source

An attorney for Dr. Kornfeld, a nationally recognized addiction treatment specialist, says his client received a call from a member of Prince’s inner circle the day before he died. The person described Prince as suffering from a grave medical condition. Jamie Yuccas reports. Source