Trump wants to see the back of NATO because according to him other members of this alliance aren’t sharing with America its bills and Washington alone cannot be its sole almoner any more.
This alliance had come into being soon after the second world war with the objective to work as a bulwark against the then Soviet Union and it comprised many western European countries. Moscow set up Warsaw pact soon after to counteract it. There are many political observers who fear that its dismemberment would endanger world peace though consensus opinion is that it has lost its utility with the changed political scenario.
POSTSCRIPT: As the minutes tick by and prospects of durable ceasefire becomes as elusive as ever in the current war between Iran and US, one can notice frustration writ large on the faces of American leaders. The attack on Iran would prove an exercise in futility if it failed to make Tehran wrap up its nuclear program. Of all the Prime Ministers of Israel since its creation has proved himself to be a hard nut to crack. By his Hitlerarian policy he has made himself as the most hated man in the Muslim world. ( The Opinions expressed are the author’s own not necessarily the WNAM).