Has Trump backed down over Iran?

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President Trump calls off strikes on Iran and says the countries are in peace talks, and “could end up in a deal”. Iran says US talks are fake news. Tonight - did Trump back down? Is this the end of the war? Plus, with oil and gas prices falling, has a global economic meltdown been averted? We hear from former US national security adviser John Bolton, and from Republican Congressman Baumgartner. With Katie Razzall.