Thousands of undocumented migrants in Portugal have received official letters, advising them to leave the country voluntarily or face deportation. Critics say the measure is a political stunt by the center-right government ahead of national elections next week.

In her new book, “Four Mothers: An Intimate Journey Through the First Year of Parenthood in Four Countries,” journalist Abigail Leonard explores the experience of parenting across different cultures. She joins The World’s host, Carol Hills, to share what she witnessed.

National Geographic Explorer Paul Salopek experienced record-breaking heat in Japan on his walking journey. Salopek witnessed the heat’s havoc on the rice farms he passed by. Host Carolyn Beeler speaks with Salopek about his conversations with rice farmers and how they’ve adapted their farming techniques as the heat continues to break records in Japan.

As tequila tops global sales charts, a new book uncovers the spirit’s revolutionary roots and the family feuds that shaped its legacy, through the lens of tequila’s most prominent maker, Jose Cuervo. Americans have since helped save the liquor, which has become a billion-dollar industry — and a symbol of Mexican pride.

A group of 133 Catholic cardinals from 71 different countries are convening on Wednesday for a secretive conclave that will end with the selection of a new pope. Vatican watchers are wondering whether the next pontiff will be a reform-minded modernist, like Pope Francis himself, or a conservative traditionalist, like many of Francis’ critics. Among the cardinals voting for a new pope, 80% were elevated by Francis. But that doesn’t mean they’re all like-minded.