Greece's conservative Prime Minister Kyriakos Mitsotakis has proposed the speaker of the Greek parliament, Konstantinos Tasoulas, for the office of president. The parliament in Athens will vote on a new head of state on 25 January since Katerina Sakellaropoulou's term in office is coming to an end. Greek commentators discuss Tasoulas's political orientation.

In his inaugural address on Monday, Donald Trump promised a "golden age" and promised that "America's decline" was over. He then signed 78 decrees rescinding measures taken by the Biden administration. The US will withdraw from the Paris Climate Agreement and the World Health Organisation. What changes will the re-elected US president bring, and how should Europe react?

Video app Tiktok is once again available to its users in the US after a brief interlude in which it shut down there. It went online following US President Trump's announced executive order to postpone a ban on the app. The US has a new law that categorises the service, which belongs to the Chinese company Bytedance, as a security risk and provides for its sale. Commentators reflect on the wider context.

Rıza Akpolat, mayor of the Beşiktaş district in the Turkish metropolis of Istanbul and member of the main opposition party CHP, has been arrested on charges that include bribery. President Erdoğan's government has repeatedly taken tough action against opposition politicians. Turkish media see this as another case of a politically motivated move.

Donald Trump will be inaugurated as President of the United States for the second time today. Due to freezing temperatures, the swearing-in ceremony is to take place inside at the Capitol Rotunda instead of outside, as is usually the case. Commentators see a turning point and discuss the prospects for the US and the rest of the world.

The student protests in Serbia continue unabated. In reaction to dismal poll ratings, President Aleksandar Vučić has now suggested that the opposition request a non-binding referendum on his presidency - despite the fact that the country's constitution does not provide for this. The media see the move as an act of desperation.