Gavan takes Zara and Richard inside Donald Trump's famous home in Washington as he prepares for his meeting with the Taoiseach.
The group also discuss the latest moves towards a ceasefire in Ukraine as Kyiv agrees to back the American peace plan.
They also speak to Guardian International Correspondent Michael Safi about the latest unrest in Syria, ISIS and fears of a civil war.
Later Zara gives her verdict on Meghan Markle's new Netflix 'lifestyle series.
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