Closing arguments are expected to begin on Monday in Kouri Richins' murder trial. She's accused of giving her husband a deadly dose of fentanyl four years ago before she later published a children's book about grief. The case included 13 days of testimony, but the defense did not call any witnesses. If convicted, Richins could face life in prison.

"One Battle After Another" took home six awards at the Oscars, including Best Picture and Best Director, while Michael B. Jordan won Best Actor for his performance in "Sinners." Meanwhile, actor Billy Crystal led the in memoriam segment with an emotional tribute to Rob Reiner and his wife, Michele, who were killed last year. Clayton Davis, the senior awards editor for Variety, joins "CBS Mornings" to discuss the big moments, winners and surprises at the Oscars.

Sarah Gelman, the editorial director for Amazon Books, joins "CBS Mornings" with top book recommendations that celebrate remarkable women and trailblazers for Women's History Month.

Nelson Dellis, a six-time USA Memory Champion and two-time Guinness World Record holder, says he wanted to learn more about memory after seeing his grandmother struggle with Alzheimer's. He gives techniques to improve our memories and discusses his new book, "Everyday Genius."

March Madness begins this week with the First Four games on Tuesday and the tournament officially tipping off on Thursday. CBS Sports college basketball insider, analyst and sideline reporter Jon Rothstein breaks down the favorites to win it all, powerhouse teams who aren't the top seeds and possible Cinderellas of the tournament.

Grammy award-winner Lizzo exclusively announced on "CBS Mornings" her latest project, a children's book called "Little Lizzo Meets Sasha B. Flute." She spoke with Gayle King about her inspiration for the book and message for young readers.

A Ring camera in Tennessee captured an older man slowly climbing the steps of a home for a delivery. The homeowner, seeing the video, decided to post the video online to try and track the man down. She found him and gave him a $200 tip, but it didn't stop there. Thanks to the kindness of strangers, nearly $1 million was raised for the man in five days. David Begnaud reports.

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