At the center of the congressional push is the Ukraine Support Act, legislation that would authorize more than $1 billion in direct security assistance for Kyiv, provide $8 billion in loans, tighten sanctions on Russia, and limit presidential authority to unilaterally lift existing sanctions.

The bill also provides new sanctions against Russia

At the center of the congressional push is the Ukraine Support Act, legislation that would authorize more than $1 billion in direct security assistance for Kyiv, provide $8…