By Hannah Jewell and Jamie Ross  Email Good morning. It’s Friday, Nov. 29, and if you have a fridge full of leftovers, these 15 recipeswill help you make the most of them. Now let’s get to the news. But first: Start with the Black Friday savings, stay for the award-winning journalism. Switch on with a Post subscription. Billed at 99 cents every 4 weeks for the first year, $12 every 4 weeks thereafter.   Mexico’s president dismissed Donald Trump’s threat of tariffs. The details: Claudia Sheinbaum and Trump gave dramatically different versions of their call this week. They spoke after Trump said he’d impose a 25% tariff on Mexico’s exports. What could tariffs do? Quickly make food, gas, cars and many other basics pricier. What else to know: Trump may be on a collision course with the Supreme Court. And the president-elect’s Cabinet picksare revealing his plans for disruption and retribution.  Read this story            Families of hostages held in Gaza are pushing for their release. How? Pressuring the Biden administration, Trump’s transition team and Israeli leaders to make a deal with Hamas. Dozens of hostages remain in Gaza — we’re tracking their status here. In related news: The cease-fire between Israel and Hezbollah is appearing to hold, despite Israeli attacks in Lebanon yesterday. Read this story            A missing hiker was found alive after 50 days in the Canadian wilderness. Who? Sam Benastick. The 20-year-old set out for 10 days of hiking in the Canadian Rocky Mountains in British Columbia on Oct. 7, but was not found until Tuesday. How did he survive? He built a shelter in a dried-out creek bed and cut up his sleeping bag to warm his legs in freezing temperatures. He was taken to a hospital to recover. Read this story            A spectacular snow event is hitting the Great Lakes. What is it? It’s called a lake-effect event. It can happen when cold air meets warmer water, and it’s capable of producing a foot or more of snow in a matter of hours. A weird paradox: The conditions for these events may become more likely as the world warms. But, generally, we’re getting less snow — find your winter snow forecast here. Read this story            Black Friday is back, but our spending habits are changing. How? Americans have become more cautious about buying nonessentials following a period of high inflation. So retailers may have to try harder to entice people to splurge today. If you’re looking for a bargain: Start with these 17 amazing travel deals, then browse our tech team’s gift guide. But watch out for scams and follow these top tips to reduce waste. Read this story            Rare footprints suggest two of our prehistoric ancestors may have met. Left: A footprint hypothesized to have been created by a Paranthropus boisei individual. Right: A footprint hypothesized to have been created by a Homo erectus individual. (Kevin Hatala/Chatham University) What you’re looking at: The prints of two distinct species of humans’ prehistoric relatives, who walked along a muddy lake in Kenya at about the same time 1.5 million years ago. Why it’s surprising: Before this study, scientists didn’t know that the species had shared a habitat. It raises new questions about how they competed and coexisted. Read this story            Orcas have learned how to hunt huge whale sharks. How we know: Since 2018, scientists and members of the public have captured video and pictures of killer whales using new skills to kill the world’s largest fish, a new study says. A bloody feast: One orca pod was seen working together on four occasions to incapacitate the docile giants and eat their nutritious organ