US President Donald Trump's tirade against NATO has intensified in recent weeks against the backdrop of the war in Iran, going as far as threatening to pull out of the alliance after European countries and other Western partners refused to actively take part.
His latest verbal assault, in which he called the alliance "paper tiger", came after NATO countries didn't respond to his calls to assemble a naval force to help reopen the Strait of Hormuz, which Tehran has effectively blocked.
