CDC tracking 3 new COVID-19 variants as some experts warn cases could increase.

Some experts are predicting another surge in COVID-19 cases in the U.S. this fall as new variants are spreading nationwide. Dr. Stanley Perlman, a professor of microbiology and immunology at the University of Iowa, joined CBS News' Vlad Duthiers and Anne-Marie Green to discuss the latest variants.

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Bernie Sanders adviser on a possible 2024 run and changes to the Democrats' primary calendar.

Bernie Sanders adviser on a possible 2024 run and changes to the Democrats' primary calendar.

A senior adviser to Sen. Bernie Sanders is critical of the Democratic National Committee's proposed plan to move South Carolina to the top of the primary calendar in 2024. Faiz Shakir joins "Red and Blue" to discuss this as well as Sanders' future...

Phoenix Mercury forward Brianna Turner speaks about Brittney Griner's release from Russia.

Phoenix Mercury forward Brianna Turner speaks about Brittney Griner's release from Russia.

WNBA star Brittney Griner is returning to the U.S. after a prisoner swap that freed her from detention in Russia. Her teammate Brianna Turner spoke with CBS News anchors Tanya Rivero and Elaine Quijano about Griner's release. CBS News Streaming Ne...

Secretary of State Antony Blinken addresses concerns over releasing arms dealer in swap for Britt….

Secretary of State Antony Blinken addresses concerns over releasing arms dealer in swap for Britt….

Basketball star Brittney Griner is heading back to the U.S. in a prisoner swap with Russia. In exchange for Griner, the U.S. released Viktor Bout, a convicted arms dealer known as the "Merchant of Death." Secretary of State Antony Blinken spoke wi...

Top Bernie Sanders adviser believes he'll give 2024  «a hard look»  if Biden does not run.

Top Bernie Sanders adviser believes he'll give 2024 «a hard look» if Biden does not run.

Faiz Shakir, a longtime adviser to Senator Bernie Sanders, told CBS News on Thursday that he believes the Vermont lawmaker will seriously consider a bid for the 2024 Democratic presidential nomination if President Joe Biden does not run. "I assume...

Meta threatens to take news off Facebook over proposed legislation.

Meta threatens to take news off Facebook over proposed legislation.

Meta is threatening to take news off Facebook over a proposed bill that would force the tech giant to compensate news outlets for their content. Adi Robertson, senior reporter at The Verge, joins CBS News’ Elaine Quijano and Tanya Rivero to discus...