This week is the 100th anniversary of Zion National Park. Located in southwest Utah, it was established on Nov. 19, 1919. A new film will be released Tuesday to celebrate the park’s epic trails, climbs and river walks. Jeff Glor gets a tour of the stunning park. Source

For the first time, Britain’s Prince Andrew is breaking his silence about his friendship with Jeffrey Epstein and accusations of sex with a minor. The prince spoke exclusively to CBS News’ broadcast partner the BBC. Ian Lee reports. Source

CBS News has obtained an advanced copy of “A Warning,” the new book written by an anonymous White House insider. The writer is a self-described “senior Trump administration official” who wrote a 2018 op-ed about leading an internal resistance against President Donald Trump. Steve Dorsey reports on what the book, out Tuesday, reveals. Source

President Trump is accused of witness tampering after he attacked the former Ukraine ambassador while she testified in front of Congress. Also, CBS News has obtained the new book claimed to be written by a White House insider who details a presidency based on “schemes,” “cruelty” and “abuses of power.” All that and all that matters in today’s Eye Opener. Your world in 90 seconds. Source

President Trump added new tension to the public impeachment hearings, which the White House dismissed as “useless and inconsequential.” Former U.S. Ambassador to Ukraine Marie Yovanovitch testified Friday about a smear campaign orchestrated by the president’s associates that led to her removal. But moments after her testimony began, the president weighed in, attacking her in real time. Ben Tracy reports. Source

New York Magazine correspondent Gabriel Debenedetti joined “CBS This Morning Saturday” to discuss former U.S. Ambassador to Ukraine Marie Yovanovitch’s testimony in the Trump impeachment inquiry and the call between President Donald Trump and Gordon Sondland, the U.S. ambassador to the European Union. Source

Former San Francisco 49ers quarterback Colin Kaepernick will have his closest encounter with the NFL since he caused a storm of controversy three years ago. At least 11 teams RSVP’d to see him workout. Kenneth Craig reports on why this workout is happening now. Source

The city of Santa Clarita, California, is struggling to make sense of the deadly shooting at Saugus High School on Thursday. The alleged shooter, 16-year old Nathaniel Berhow, died Friday while being treated for a self-inflicted gunshot wound to his head. The two teens he was accused of murdering have now been identified. Carter Evans reports. Source

White House senior policy adviser Stephen Miller is facing mounting calls from Democrats to resign. It comes after the Southern Poverty Law Center published emails between Miller and Breitbart, in which he appears to promote white nationalist ideas ahead of the 2016 election. Michael Edison Hayden, who wrote the report, joined CBSN to discuss the findings. Source

David Holmes gives closed door testimony; Astronauts begin complex spacewalks Source