CBS News meteorologist and climate specialist Jeff Berardelli spoke to Dr. Ralph Keeling of Scripps Institution of Oceanography and UCSB political science professor Leah Stokes about the worldwide lockdown and its unremarkable effect on our carbon footprint. Source

New York Magazine national correspondent Gabriel Debenedetti joins “CBS This Morning: Saturday” to discuss the impeachment trial of President Doanld Trump, and how new revelations about the Ukraine scandal, and election-year politics, may affect the Senate proceedings. Source

As the Senate’s impeachment trial of President Donald Trump gets underway this week, we are learning who will be defending the president, and his legal team includes several controversial figures. Correspondent Nikole Killion reports from West Palm Beach, Florida, as the president’s legal counsel and impeachment managers from the House of Representatives prepare this weekend for the upcoming Senate trial, with opening arguments due to start this Tuesday. Source

More details are emerging about how actress Lori Loughlin and her husband allegedly bribed their daughters’ way into USC, as prosecutors in a massive college admissions scandal made public more than 500 pages of documents never released before. Correspondent Carter Evans reports Source

Jury selection in the Harvey Weinstein trial wrapped on Friday, with opening arguments expected to begin next week in New York City. The former movie mogul is accused of rape and other sexual misconduct involving two different women. Attorney Jesse Weber, host on the Law and Crime Network, who’s been closely following the proceedings from inside the courtroom, joins “CBS This Morning: Saturday” for a preview. Source

Democrats are wrapping up their impeachment arguments on Friday, telling senators they can’t trust President Trump. Nancy Cordes has learned that a Trump confidante reportedly told Republican senators that “a vote against the president and your head will be on a pike.” She breaks down the implications on Capitol Hill. Source

The U.S. government has denied an extradition request for a diplomat’s wife charged in a fatal hit-and-run in the U.K. Anne Sacoolas fled the country after allegedly hitting 19-year-old Harry Dunn with her car. The State Department says she had diplomatic immunity and that sending her back would set a troubling precedent. Imtiaz Tyab is outside the embassy in London with the Dunn family’s response. Source

A massive explosion rocked parts of Houston early Friday. Dozens of people posted on social media that they heard a loud boom around 4:30 a.m. local time. Thousands reportedly felt their homes shake. Authorities say at least one person was taken to the hospital. The explosion likely happened at an industrial building, but the cause of the blast is under investigation. Source

The highest-ranking drug company executive convicted in the opioid crisis is headed to prison, but the sentence is not harsh enough for some who say he got away with murder. A judge sentenced Insys Therapeutics founder John Kapoor to five and a half years for his role in bribing doctors to prescribe the powerful painkiller Subsys. Anna Werner speaks to the mother of an overdose victim who was at the sentencing. Source

Trump to move forward with reopening country “vaccine or no vaccine;” Seniors find creative alternatives to traditional graduation ceremonies  Source