In Paris for talks with French President Emmanuel Macron — who they say is “100% aligned” with them on the war — the senators warned the window to prevent a renewed assault is closing. A sweeping U.S. sanctions bill could be the West’s last chance to choke off the Kremlin’s war economy, they said.

"What I learned on this trip was he’s preparing for more war,” Graham said of Putin. Blumenthal called the sanctions proposed in legislation “bone-crushing” and said it would place Russia’s economy “on a trade island.”

“It is crunch time for Putin and for the world because Russia is mounting a new offensive,” he said.