Kate Adie introduces stories from Mexico, Lebanon, Liberia and Tanzania.Mexico's first woman president, Claudia Sheinbaum, is preparing for a potentially bumpy year, as Donald Trump returns to the White House with threats of tariffs and mass deportations. Will Grant looks at the challenges ahead in 2025.On Saturday 4th January 1975, Jim Muir pulled up in Beirut, marking the beginning of a decades-long career reporting for the BBC from the Middle East. He recalls what the 'Switzerland of the Middle East' was like in the months before civil war gripped the country, and how it has changed over the years.The Liberian warlord-turned-politician, Prince Yormie Johnson, recently died at the age of seventy-two. The BBC's former Africa Correspondent, Hilary Andersson, recalls meeting him when she was first starting out as a journalist.Last year, Reha Kansara and her friends challenged themselves to climb Mount Kilimanjaro in Tanzania. While they made it to the foothills to fulfil their promise, they also discovered a few truths about the adage that it’s the journey, not that destination that really matters.Series producer: Serena Tarling Production Coordinators: Katie Morrison & Sophie Hill Editor: Richard Fenton-Smith