![FILE PHOTO: U.S. President Donald Trump attends a NATO Summit at the NATO headquarters during a NATO summit of heads of state and government in Brussels, Belgium, May 25, 2017. REUTERS/Jonathan Ernst/File Photo](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ANECAMRAV3AVQOZODRJDIABBKI.jpg?smart=true&auth=d4e9d2d61e4a33e862dd491c3cb16aed1df2110e66aeeb1224a81c198b14b4a0&width=400&height=225)
US President Donald Trump at a Nato summit in May, 2017. Reuters
US President Donald Trump at a Nato summit in May, 2017. Reuters
Trump re-election ‘could spell the end of Nato’
Top academics issue stark warning amid US president’s threat to withdraw some troops from Germany