Now that President Donald Trump has retaken the White House and is shaking up Washington with an onslaught of executive orders and controversial nominees for his Cabinet, correspondent Lesley Stahl profiles the longest-serving Senate party leader, Mitch McConnell, on his life, legacy and what he will do next since stepping down from Senate leadership. Tariffs were a signature of President Trump’s campaign and are now part of his economic agenda promising to protect American trade and recover manufacturing jobs. Correspondent Scott Pelley interviews Robert Lighthizer, the top trade negotiator during Trump’s first term who continues to be an informal advisor and confidant of the president. Last year, the Veterans Administration announced it would begin funding clinical trials to explore the use of psychedelic drugs for treating post-traumatic stress disorder, depression and addiction. However, these trials are small, and even if successful, it will likely be years before veterans can access psychedelics at the VA. Many U.S. veterans struggling with PTSD aren’t waiting. Thousands of veterans are traveling overseas seeking relief at psychedelic retreats where these substances are legal to use, mostly in indigenous ceremonies. Correspondent Anderson Cooper follows nine veterans on a psychedelic journey to the west coast of Mexico, where they hope to find healing. Learn more about your ad choices. Visit megaphone.fm/adchoices