Nato is “disintegrating”, Poland’s prime minister has said after the United States announced it was withdrawing 5,000 troops from Germany. Donald Tusk made the dire assessment of the Western alliance on Saturday amid an escalating war of words between Donald Trump and Germany over Berlin’s criticism of the war on Iran. In a post on X on Saturday, Mr Tusk wrote: “The greatest threat to the transatlantic community are not its external enemies, but the ongoing disintegration of our alliance. We must all do what it takes to reverse this disastrous trend.” On Friday evening, the US department of defence...