Sam Kiley: Why Donald Trump is now dealing with a more assertive,?tougher Germany

The US president and the German chancellor have locked horns. Spain has shunned Washington. The Nato alliance is more fragile than it has ever been. Western powers are determined to see off Russian military “hard” power; they are familiar with “soft power” operations to undermine democracies. But how to deal with the Kremlin’s relationship with Donald Trump is now an emergency.