Pope in Paris, Xi in DC, AI at a Crossroads

• It’s been a week of walkouts, power plays and diplomatic theatre — from a battle over press freedom in Washington, to a United Nations General Assembly marked by protests and departures, as leaders clashed over Iran, Cuba and Venezuela.
• There was also a rare red-carpet meeting between Donald Trump and Xi Jinping, as the US and China extended their trade truce and turned their attention to the race