President Trump’s impeachment trial begins this week. The House managers who will prosecute the case against the president met on Capitol Hill on Sunday to work on their strategy. Meanwhile, senators are getting ready for what could be a grueling few weeks. Ben Tracy reports. Source

The world’s 2,153 billionaires have as much wealth as 60% of the world’s population, anti-poverty group Oxfam says. Source

The reintroduction of the predator has led to more visitors and a shift in the ecological makeup of the park. Bill Whitaker reports. Source

A total of three people have been fired in the fallout over some emergency aid that has been allegedly stored away since Hurricane Maria struck the island in 2017. Source

The average wages for workers in developed countries rose 3% from 2011 to 2017, but dividends rose 31%, according to Oxfam. Source

All this week on “CBS Morning,” preview “The Gayle King Grammy Special” as King goes one-on-one in a series of intimate interviews with Lizzo, the Jonas Brothers, Blake Shelton and Gwen Stefani and Billie Eilish. Source

Some of the best shots from the “National Geographic” photographer, including candids he caught of the 60 Minutes crew Source

In the dead of winter, 60 Minutes went looking for wolves in Yellowstone National Park, and we weren’t alone. These fierce and feral animals are the darlings of tourists willing to endure frigid temperatures to catch a glimpse of a distant pack crossing a snow-covered ridge. Source

Mike Rutzen, a South African who studies the great white shark, makes a practice of swimming with them — unprotected by a cage. Source

The Vermont senator has been criticizing the former vice president’s record on Social Security in the weeks leading up to the Iowa caucuses. Source