Politics

‘Ultimate deterrent’: Putin must know attack on NATO would trigger US response, expert tells TVP World

Maria Kamińska
 17.09.2026, 22:09
Kupchan said that US President Donald Trump feels that
Kupchan said that US President Donald Trump "feels that that he’s been taken advantage of" by Putin. Photo: Andrew Harnik/Getty Images

Charles Kupchan says oil-market concerns limit Washington’s room to escalate pressure on Moscow.