Trump's criticism of NATO raises questions of whether — or how — the U.S. could leave

President Trump has complained that some NATO states aren't letting him use bases in the war against Iran. His criticism has left many wondering if the U.S. may try to withdraw from the alliance.

Can Trump pull the US out of Nato – and why is he considering it?

The US president hinted at leaving the military alliance as he wages war on Iran with little support from allies ...