Two 13-year-old girls in Wisconsin are accused of stabbing a classmate multiple times. Police say they did it to please the fictional villain “Slender Man.” “48 Hours” Crimesider’s Julia Dahl joins CBSN with more on the case. Source

President Biden has moved up the deadline for everyone 16 and over to become eligible for the COVID-19 vaccine by about two weeks, to April 19. However, it’s unclear if vaccine supply and distribution will be able to keep up. CBS News senior White House correspondent Weijia Jiang joined “CBSN AM” with the latest. Source

The Canadian actress, who came out as gay last year at a pro-LGBT rights conference organized by the Human Rights Campaign, got into a heated back-and-forth with Republican presidential candidate Ted Cruz at the Iowa State Fair on Friday Source

The light saber battle between Darth Vader and Obi-Wan Kenobi is one of the most famous scenes from “Star Wars.” But as fans wait for December’s release of Episode VII, they are finding a new way to get their fix: becoming a living part of the story. Charlie D’Agata takes us inside Secret Cinema, hidden somewhere in London. Source

Can a story about a bunny bring relief for parents with sleepless kids? A Swedish psychologist’s book, “The Rabbit Who Wants To Fall Asleep,” is number one on Amazon’s best-seller list. But is it a magical cure or just a tall tale? Dr. Carol Ash, director of sleep medicine at Meridian Health in New Jersey, joins “CBS This Morning” to discuss how this book could affect kids. Source

Former President Jimmy Carter is fighting cancer with grace. He revealed there is melanoma on his brain and went through radiation Thursday. His treatment includes pembrolizumab, a drug approved just last year. Dr. David Agus, who leads the Westside Cancer Center at the University of Southern California, joins “CBS This Morning” to discuss Carter’s prognosis. Source

Nick Dietz compiles some of the latest and greatest viral videos, including a seal caught trying to hitch a ride on a rigid inflatable boat and a crazy Rube Goldberg machine created by manufacturing giant 3M. To see these videos in their entirety, click HERE. Source

As summer approaches its close, an unexpected type of action hero hits the big screen in the new film “American Ultra.” A lazy, small-town cashier discovers his true and lethal identity — and he’s not very happy about it. KCBS-TV reporter Suzanne Marquez takes a look behind the scenes. Source

A mother in labor danced to distract herself from the pain of her natural birth. Reporter David Wade from CBS Boston affiliate WBZ spoke to the growing family. Source

Last year’s ALS ice bucket challenge helped raise $115 million in just two months. Researchers say the money is helping them make advances in understanding a mystery protein that’s prevalent in nearly all ALS cases. CBS News correspondent Jim Axelrod reports. Source