Censor.NET reports about it, citing the Washngton Post.
Levin said he supported transferring certain types of defensive equipment.
Sen. Lindsey Graham (Republican) said he noted widespread bipartisan "unease" with the current U.S. policy at the briefing.
The belief of the administration, he said, is that Russia is prepared to join the war to protect Ukraine's separatists. In contrast, he says, the U.S. doesn't have a strategy.
"The bottom line is this administration is afraid of confronting the Russians," Graham said.
In addition to lethal aid, Graham said sanctions must get much tougher, targeting Russia's massive natural gas sector and President Vladimir Putin personally.
Sen. Bob Corker (Republican) complained that Ukraine hasn't even received much of the nonlethal assistance the administration has promised.
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