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I'm Helena Merriman and in a new BBC series,
I'm talking to the reporters who first covered this story.
What did they miss the first time?
The History Bureau, Putin and the apartment bombs.
Listen on bbc.com or wherever you get your podcasts.
Hello and welcome to News Hour.
It's coming to you live from the BBC World Service Studios in central London.
I'm Tim Franks.
And we begin with two questions.
Worries going on?
And what is to be done?
Simple questions to the point of banality, you might think.
But as it happens,
questions whose possible answers seem to be confounding much of the Western world at the moment.
Donald Trump, a year to the day since he returned to the White House, appears to be a man unbound,
a man who locks on to certain ambitions which convention ought to be more specific,
the liberal, Western, rules-based, multinational consensus has recoiled at.
You can't do that, the Guardians of the Consensus have insisted.
Watch me, has been President Trump's retort.