After her 17-year-old daughter died from melanoma skin cancer, Marianne Bannister was determined to help other families avoid the same fate. Adam May reports. Source

Piper has become a social media sensation, sporting goggles and a uniform. But the 8-year-old border collie is more than just a fun photo op — he has an important job to protect planes at a Michigan airport. Kris Van Cleave has more. Source

Government investigators focused on two recalls from 2014 where they said “consumers remained at risk of illness or death for several weeks after FDA knew of potentially hazardous food.” Investigators found it took 165 days from when the product was identified, to the date of the firm’s voluntary recall. Anna Werner has more. Source

Dr. Roshini Raj discusses a new study that says many antidepressants don’t work on teenagers. Source

A majority of employers consider smartphones to be the biggest killers of workplace productivity. They’re probably right, since 66 percent of workers admit to using the devices several times a day. Source

Bernie Sanders addressed reporters after meeting with President Obama at the White House. He said he will be staying in the race through the Washington, D.C. primary next Tuesday and will work to defeat Republican candidate Donald Trump. Source

Some “Hamilton” fans will cough up $6,000 a pop for tickets to creator Lin-Manuel Miranda’s final performance. Source

Memorial services for boxing legend Muhammad Ali will begin in Louisville, KY today. CBS News’ David Begnaud is at the location of the event, where some 16,000 people are expected to attend. Source

The Wall Street Journal’s Gerald Seib joins CBSN to discuss the Democratic Party’s strategy to unify before the general election. Source

Elon Musk, the CEO of Tesla and SpaceX, tweeted that he visited the Pentagon to talk about a flying metal suit. Source