The Biden administration now has the responsibility of vaccinating hundreds of millions of Americans. Source

New and more contagious COVID variants are spreading across the U.S., prompting reminders about the importance of wearing face masks. Some health experts are even encouraging people to wear two masks instead of one. CBSN’s Tanya Rivero spoke with Linsey Marr, a professor of civil and environmental engineering at Virginia Tech and an expert on airborne transmission of viruses, about why it could help. Source

The new FBI wanted poster says the pipe bombs were planted the day before the deadly January 6 Capitol riot. Source

The White House and Democrats are rejecting calls from Republicans to split up President Biden’s $1.9 trillion stimulus proposal, saying the American people desperately need relief. CBS News chief White House correspondent Nancy Cordes joined CBSN with the latest on the Biden administration’s coronavirus response. Source

President Biden plans to undo one of the Trump administration’s immigration restrictions as he delays work on others. Krish O’Mara Vignarajah, the president and CEO of the Lutheran Immigration and Refugee Service, spoke to CBSN’s Tanya Rivero about the impact of immigration policy changes and the tough road ahead to reunite families separated by the U.S. government. Source

Mardi Gras parades in New Orleans have been canceled for this year – but that’s not stopping residents from celebrating in a big way. Thousands of houses have been transformed into floats. Source

Wyoming Congresswoman Liz Cheney, the third-ranking House Republican, is facing major blowback over her vote to impeach former President Trump. Some of Cheney’s GOP colleagues are calling on her to resign from her leadership position while back home she’s facing an early primary challenger for the state’s lone House seat. Nick Reynolds, a politics reporter for the Casper Star-Tribune, joined CBSN to discuss the latest out of Wyoming. Source

Christie Wilson disappeared in 2005, and her killer refused to say where he put her body. Source

Under the Affordable Care Act, people should be getting free preventative cancer screenings. But “CBS This Morning” is hearing from patients who say their screenings were anything but free. Anna Werner reports. Source

Results demonstrated 85% protection against severe coronavirus illness in adults 28 days after vaccination. Source