What Will Mitch Do? – 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. Stahl meets McConnell in his office and interviews him, as well as his biographer, Michael Tackett, about the Senator's upbringing and impact on American life, his contentious relationship with Mr. Trump and how he plans to stand up for what he believes is right. 

Robert Lighthizer – 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.  Lighthizer is a strong advocate for tariffs believing they will not only usher in a manufacturing renaissance but that they will protect critical U.S. national security interests. Economists are skeptical about Trump's tariff proposals arguing they will lead to higher costs for companies and consumers. 

A Psychedelic Journey – 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 Cooperfollows nine veterans on a psychedelic journey to the west coast of Mexico, where they hope to find healing. 

The Justice Department – Correspondent Scott Pelley reports on the recent firings and resignations at the U.S. Department of Justice. Aaron Weisz, Pat Milton, and Ian Flickinger are the producers. 

CFPB – Correspondent Lesley Stahlreports on President Trump's efforts to halt the work and cut the funding of the Consumer Financial Protection Bureau, an enforcement agency that was created in response to the 2008 financial crisis. Shachar Bar-On is the producer. 

John Oliver – Host John Oliver's highly lauded show, "Last Week Tonight," gives him a Sunday night platform to unleash searing, satirical takes on the politics and problems of America, his adopted homeland. So how did this Brit become one of this country's sharpest comedians? Correspondent Bill Whitakertravels to the U.K., and goes behind-the-scenes in New York, to trace Oliver's comedic journey. Marc Lieberman is the producer.