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

Donnie Wahlberg’s success as an actor, producer and musician first began when he captured the hearts of teen girls everywhere as a founding member of the boy band New Kids on the Block. He now stars as detective and Iraq war veteran Danny Reagan in the hit CBS drama “Blue Bloods.” Wahlberg joins “CBS This Morning” to discuss why he supported former Republican presidential candidate Marco Rubio and to preview the “Blue Bloods” sixth season finale. Source

Jahana Hayes, the 2016 National Teacher of the Year, traded the classroom for the White House East Room on Tuesday, where President Obama honored the John F. Kennedy High School teacher from Waterbury, Connecticut. Source

North Korea is getting ready for its biggest meeting of leaders in a generation. Ruler Kim Jong Un has called for the first congress of the ruling Workers’ Party in 36 years. The U.S. and international community will be watching for developments on North Korea’s nuclear ambitions. Adriana Diaz reports from the capital city of Pyongyang. Source