Researchers say a new strain of a common virus may be the cause of sudden, partial paralysis in more than 100 children. They were treated for respiratory illnesses associated with enterovirus D68, but a new genetic analysis discovered a mutated strain that’s similar to polio. Dr. Holly Phillips joins “CBS This Morning” to discuss the alarming new evidence. Source

The defense team in the Boston Marathon bombing trial begins its first full day of testimony. Prosecutors rested their case Monday following some of the most graphic and emotional images of the trial, including those of the youngest victim, 8-year-old Martin Richard. Elaine Quijano reports. Source

A new study says that men who eat organic produce have better sperm counts than those who eat non-organic fruits and vegetables high in pesticide residue. Also, the danger of letting kids take a sip of alcohol. Eboni Williams reports on the day’s top health stories. Source

The actress, who plays publicist Shauna Roberts in “Entourage,” tells CBS News’ Lauren Moraski about the big-screen adaptation of hit HBO series, along with playing a lesbian in TV Land’s “Younger.” Source

Billboard Magazine’s Andrew Hampp was at the big reveal of Jay Z’s star-studded event for the launch of his new music streaming service, Tidal. Hampp joins CBSN to breaks down the possible impact of the streaming service on the industry. Source

Newly released data on breast cancer could help doctors better identify the risks and treatment options for patients. Teri Okita reports. Source

Hip Hop icon Jay Z is re-launching his music streaming service “Tidal” with support from some big-name artists. CNET’s Dan Ackerman tells CBSN what this means for consumers and the music industry. Source

Comedy Central has tapped Trevor Noah as Jon Stewart’s successor on “The Daily Show.” CBSN’s John Dickerson and Meg Oliver show us the comedian’s reaction to this announcement. Source

More time with your children does not necessarily result in better grades, health or behavior. But that’s not an endorsement for hands-off parenting. Jennifer Senior, author of “All Joy and No Fun: The Paradox of Modern Parenthood,” joins “CBS This Morning” to discuss the new findings. Source

Hundreds of migrants are being dropped off in a small Arizona town, hours from the nearest shelter. Source