CBS News chief medical correspondent Dr. Jon LaPook and CBS News contributor Dr. Holly Phillips join “CBS This Morning: Saturday” to discuss your local supermarket products and their nutritional value. The FDA will reevaluate regulations about these claims, including the definition and use of the word “healthy” on labels. Source

A recent AAA study found an increase in deadly crashes involving drivers who had smoked pot, but another study by the same researchers warns that there is currently no reliable test to determine whether drivers have been impaired by the drug. Kris Van Cleave reports. Source

A New Jersey family is savoring their winnings after their mother, Pearlie Smith, who never gambles, threw caution to the wind and bought some Powerball tickets. Now they are figuring out how to divide the $284 million jackpot among themselves. Jericka Duncan reports. Source

How does sound effects artist Fred Newman conjure such amazing worlds on “A Prairie Home Companion”? He shares some secrets with correspondent Jane Pauley, in a preview of an interview to be broadcast on “Sunday Morning.” Source

The director says there’s something in her new film for viewers on both sides of the political spectrum. Source

Former U.S. Treasurer Rosario Marin says she will not support Donald Trump for president because of his “disgusting” remarks. Marin — a Mexican-born Republican — discusses her reasoning with CBSN’s Josh Elliott. Source

Instagram changes its logo; Macy’s quarterly earnings were lower than expected; and JetBlue is one of Americans’ favorite airlines. CBS News MoneyWatch’s Jill Wagner has the day’s business headlines on CBSN. Source

Investigators believe an enormous explosion and fire at a fertilizer plant in Texas was deliberately set. CBS News correspondent Manuel Bojorquez has the latest from the site of the explosion that killed 15 people in 2013. Source

CBS’ Nancy Cordes discusses Hillary Clinton’s attacks on Donald Trump over his refusal to release his tax returns. Source

Dr. Michael Schulenberg was treating Prince for an undisclosed condition before his death. Now officials want to know if it had anything to do with how the rock star died. Jamie Yuccas reports. Source