Britain’s Prince Philip returned to Windsor Castle on Tuesday, following a month in the hospital during which he was treated for an infection and underwent a heart procedure.

Story by Rivet Smart Audio.

Story by Rivet Smart Audio.

The Marshall Project and The Associated Press spoke with correctional officers and union leaders nationwide, as well as with public health experts and doctors working inside prisons, to understand why officers are declining to be vaccinated, despite being at higher risk of contracting COVID-19.

Several airlines report that after dismal sales in January and February, more people have bought tickets to travel in spring or summer as infection rates decline and more people get vaccinated against COVID-19.

With moviegoing nearly snuffed out by the coronavirus, the best-picture nominees had hardly any box office to speak of. For the first time, Hollywood’s biggest and most sough-after awards belong to movies that were almost entirely seen at home.

Story by Rivet Smart Audio.

Story by Rivet Smart Audio.

Four women won the top four prizes Sunday, including Swift, who became the first female performer to win album of the year three times. Beyoncé — with her 28th win — became the most decorated woman in Grammy history.

López Obrador thanked India and Russia, which have each sent small amounts of vaccines, and China, whose firms have promised millions of doses.