Juan Guaido, the speaker of Venezuela's parliament, swore himself in as acting president on Wednesday. The US-led coalition of regional powers quickly recognised the new leader. What's next for Venezuela? Also on the programme, DR Congo's new president, Felix Tshisekedi, was sworn in on Thursday amid accusations of election fraud. And will Greece and Macedonia finally make peace? The Greek government accepted a deal with what is now officially the Republic of North Macedonia.