Pfizer and BioNTech says three doses of their vaccine provides a high level of protection against the omicron variant of the virus that causes Covid-19. CNBC’s Meg Tirrell reports on the new data about the effectiveness of vaccines and boosters against the omicron variant. CNBC’s Diana OIick reports on potential solutions to reduce the carbon footprint of older homes and offices. CNBC’s Perry Russom reports on rising violent crime numbers in the United States, what’s behind the increase and what police departments around the country are trying to do about it. CNBC’s Valerie Castro reports on a U.K. official who resigned after video leaked of her joking about a lockdown party last year. CNBC’s Ylan Mui reports on the Louisiana business that sued the Biden administration over its vaccine mandate. Plus, NBC Contributor and ‘Platformer’ Editor Casey Newton discusses Instagram head Adam Mosseri’s testimony today in front of lawmakers on Capitol Hill.