Hundreds are feared to have died in a huge explosion at a crowded hospital in Gaza on Tuesday. President Biden's planned visit with Arab leaders has been canceled after widespread protests following the blast. CBS News' Imtiaz Tyab reports. "Face the Nation" moderator and CBS News chief foreign affairs correspondent Margaret Brennan shares her analysis on "CBS Mornings" on President Joe Biden's trip to Israel to meet with Israeli Prime Minister Benjamin Netanyahu.Britney Spears says in her new memoir, "The Woman in Me," she had an abortion while dating Justin Timberlake. CBS News' Jamie Yuccas has the story.Singer-songwriter John Legend joins "CBS Mornings" to discuss working with Pfizer to encourage people to stay up to date on COVID vaccines. He also talks about his growing family, and the joys they've experienced and the challenges they've faced.Ahead of the release of her new album, "Rockstar," and a new book about her wardrobe throughout her career, Dolly Parton sits down with CBS News' Norah O'Donnell to talk why she is still dreaming big.See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.