A school administrator is on leave after a secret recording revealed he suggested sabotaging plans to keep drinking water safe in Nashville area schools. CBS affiliate WTVF has reported on the dangerous lead levels in some of the district’s schools for nearly a year. Anna Werner reports. Source

In what appears to be a heartbreaking coincidence, a second fertility clinic announced it experienced an equipment failure. Hundreds of eggs and embryos may be damaged. CBS News medical contributor Dr. Tara Narula has the details. Source

A photo of a waitress helping an elderly customer cut his food went viral online and her good deed has now earned her a college scholarship. Source

The brackets are set for college basketball’s March Madness tournament where 68 teams will compete for the national championship. CBS Sports columnist Bill Reiter joins CBSN to look at the tournament matchups. Source

British Prime Minister Theresa May, speaking to lawmakers about the poisoning of former Russian double agent Sergei Skripal and his daughter, said it was “highly likely” that Russia was behind the attack. Source

A snowboarder’s helmet camera shows his point of view during an avalanche in the French Alps. When the snow engulfed him, his avalanche airbag, which is similar to the airbags in cars, kept him completely unharmed. Source

President Trump welcomed the 2017 World Series champion Houston Astros to the White House on Monday to mark their first-ever series win. The president called their win a fitting tribute to the spirit of Houston after the devastating impact of Hurricane Harvey. Source

There are a lot of myths when it comes to food. CBS News’ Anne-Marie Green sits down with Dr. Mark Hyman, the author of “Food: What the heck should I eat?” in the Toyota Green Room to debunk some of them. Source

Entrepreneur and Thrive Global CEO Arianna Huffington, who says a lack of sleep compromised her own health and productivity, joins “CBS This Morning” to discuss why getting rest is becoming “cool.” Source

Mona Haydar, 29, is a young Muslim woman and the daughter of Syrian immigrants who settled in Flint, Michigan. Haydar, who raps while wearing a hijab, has combined her passion for poetry with rap music to create a unique brand of musical expression. CBS News correspondent Elaine Quijano reports. Source