Lawmakers approved a giant new tranche of support for Ukraine late last night after a tortured passage through the U.S. Congress, where it was nearly derailed by right-wing resistance in the House.

Marc Santora, a Times reporter in Ukraine’s capital, Kyiv, explains what effect the money could have, given Ukraine’s increasing desperation on the battlefield.

Guest: Marc Santora, who covers Ukraine for The New York Times.

Background reading:

• The aid package drew overwhelming bipartisan support, reflecting broad consensus.
• The vote to resume U.S. military support was met with relief in Ukraine.

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