The Rundown: Top headlines today: Jan. 3, 2022

Stay up to date on the developing stories making headlines.

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Biden says US could sanction Vladimir Putin personally.

Biden says US could sanction Vladimir Putin personally.

ABC News Political Director Rick Klein discusses how significant the sanctions on Putin could be.

Brink of war? Ukraine prepares for invasion

Brink of war? Ukraine prepares for invasion

ABC News’ senior foreign correspondent, Ian Pannell, is on the front line with Ukrainian troops as tensions with Russia mount and Ukraine prepares for a potential invasion.

'We Need To Talk About Cosby' docuseries investigates the complexities of Bill Cosby.

'We Need To Talk About Cosby' docuseries investigates the complexities of Bill Cosby.

ABC News’ Linsey Davis speaks with W. Kamau Bell about his Showtime documentary series “We Need To Talk About Cosby,” which explores the question: Can we separate the art from the artist? ABC News Live Prime, Weekdays at 7 EST & 9 EST WATCH the AB...

Retired general says US troops could send 'message of resolve' to Russia.

Retired general says US troops could send 'message of resolve' to Russia.

Retired U.S. Army Gen. Robert Abrams, who served as senior military assistant to the defense secretary when Russia invaded Ukraine in 2014, says the U.S. could manage Russian cyber-attacks.

State Department spokesman on Ukraine: 'This is not a time for panic'.

State Department spokesman on Ukraine: 'This is not a time for panic'.

State Department spokesman Ned Price defends the U.S.' decision to evacuate diplomats' families and some embassy staff from Ukraine, as the diplomatic back-and-forth with Russia continues. ABC News Live Prime, Weekdays at 7 EST & 9 EST WATCH the A...