Here’s a look at the top stories making headlines on the “CBS Evening News with Norah O’Donnell.” Source

A pipe broke apart while undergoing repairs in Houston and supplies as much as 50% of the drinking water to the nation’s fourth largest city. Source

“I know you” may be one of Klobuchar’s signature lines, but a number of South Carolinians aren’t feeling the same way about her in the runup to the state’s primary on Saturday. Source

Among the factors responsible for the change could include increased human activity and diminished hunting grounds. Source

Frogs and salamanders have been keeping a secret from humans since the beginning of time 🐸 Source

Coronavirus masks are expensive, they only last a few hours – and they may not even help. Source

The Centers for Disease Control and Prevention says a patient in California is the first U.S. case that apparently did not involve travel or close contact with a traveler. CBS News’ Elise Preston joins CBSN AM with the latest on what President Trump and federal health officials have to say about the coronavirus outbreak. Source

A new book is arguing that food is at the center of a global epidemic of chronic disease. Almost three quarters of worldwide deaths are caused by heart disease, obesity or diabetes and estimates show it will cost the U.S. $95 trillion in preventing and treating diseases like those by 2050. Dr. Mark Hyman argues that food is the biggest driver, but could also be the most powerful tool to fight the problem. He joins “CBS This Morning” to discuss his book, “Food Fix: How to Save Our Health, Our Economy, Our Communities, and Our Planet – One Bite at a Time.” Source

“Shark Tank” judge Barbara Corcoran found herself the victim of a financial scam when her bookkeeper approved a payment of nearly $400,000 for what she thought was a real estate renovation. The invoice appeared to be sent from her assistant, and Corcoran said she was not suspicious because she has encountered similar bills. Source

As coronavirus continues to spread across Asia and elsewhere, public schools in Japan will be closed for more than a month and this summer’s Tokyo Olympics are called into question. The U.S. and South Korea are also suspending military exercises indefinitely. CBS News Asia correspondent Ramy Inocencio joins CBSN with the latest from Tokyo. Source