How can Europe react to Trump's threats to NATO?

How can Europe react to Donald Trump's threats to NATO? There is a realistic scenario that the populist Republican can win the US presidential elections in November. What would it mean to NATO when Trump suggested that he would encourage Moscow to attack allies that are, as he said this, not paying bills? I talked to Edward Hunter Christie, a Senior Research Fellow at the Finnish Institute of International Affairs (FIIA). Listen to our conversation. And if you enjoy what I do, please support me on Ko-fi! Thank you. ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠https://ko-fi.com/amatisak