WATCH: The Week That Was with Tim Marshall

This week, Trump fails to repeal Obamacare, Turkey wades into the Gulf, unrest in Venezuela and more.

Watch as our resident current affairs commentator, British journalist and broadcaster Tim Marshall, recounts the big stories of the week from here, and around the world.

UPDATE: Reince Priebus has been fired as White House chief of staff. Homeland Security secretary John Kelly will replace him.