The United States will restrict travel for non-U.S. citizens from South Africa and seven other countries starting Monday, part of a global effort to stem the spread of the heavily mutated omicron variant of Covid-19, according to senior Biden administration officials. Dr. Robby Sikka, anesthesiologist and senior health consultant, discusses the new omicron Covid variant. Amanda Mull, writer for The Atlantic, discusses American’s spending habits ahead of the holidays. CNBC’s Diana Olick reports on the state of the housing market heading into the end of 2021. CNBC’s Contessa Brewer reports on the rocketing demand for home generators ahead of cold winter weather. NBC News’ Keir Simmons reports from London on a new warning from Ukraine president Volodymyr Zelensky that Russia is planning a coup. CNBC’s Kate Rogers reports on a rise in smash-and-grab robberies as the holiday shopping season begins. Plus, CNBC’s Courtney Reagan breaks down rapid growth in shopping for Black Friday in 2021 compared to 2020.