Drs. Jon LaPook and Tara Narula join “CBS This Morning: Saturday” to discuss a scientific breakthrough in disease-causing genes, new developments in the governments battle against opioid abuse and why the fight against the Zika virus is not over. Source

During his campaign, President Trump vowed to tackle the opioid epidemic. More than six months into his term, Julianna Goldman spoke with the acting director of the Office of National Drug Control Policy about the president’s progress. Source

Suicide rates for teenage girls are at a 40-year high, according to new CDC data. In a provocative article for The Atlantic, a psychologist makes a correlation between smartphone and social media use and increased rates of suicide and depression in young people. Jericka Duncan reports. Source

The Boston Globe is wondering whether Dunkin’ Donuts will alter its name. Signs at some new locations simply say “Dunkin’.” “Donut” is not included. Jeff Glor reports with Margaret Brennan and Vladimir Duthiers. Source

The collapse in Mexico City sent a passing train plunging to the ground, trapping cars under rubble Source

Special Counsel Robert Mueller is now using a grand jury to probe possible ties between the Trump campaign and Russia. CBS News justice and homeland security correspondent Jeff Pegues joins CBSN to explain the significance of this move and what it means for the investigation. Source

A series of afternoon storms rolling through Maryland quickly escalated with hail and strong winds. A tree fell on a car in Baltimore County, and police say a 14-year-old girl in the back seat was pronounced dead at the scene. George Solis of CBS station WJZ-TV reports. Source

Two Washington state residents have been arrested after an alert passenger on a Southwest flight into San Jose noticed one of them texting on his phone about sexually molesting young children, authorities announced. Source

A company best known for selling detergent is hoping to start a new discussion about race in the U.S. DeMarco Morgan has more on Procter & Gamble’s thought-provoking new ad. Source

The 44-acre farm that inspired E.B. White’s book “Charlotte’s Web” is up for sale for $3.7 million. CBSN’s Reena Ninan has more. Source