NATO's latest efforts to help Ukraine

In Europe, NATO's foreign ministers are wrestling with how to supply Ukraine with the weapons and equipment it needs to survive a harsh winter at war. Led by US Secretary of State Antony Blinken, the ministers pledged solidarity and $53 million to bolster its electrical systems, and condemned Russia's targeting of civilian populations. To discuss all this and the latest in Ukraine, Christiane speaks with President Zelensky's chief diplomatic adviser Igor Zhovkva. 

Also on today's show: Comedian Rob Delaney discusses his new book, A Heart That Works, which chronicles the life and tragic death of his infant son Henry; famed documentarian Ken Burns.

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