While Donald Trump followed through on his campaign promise to raise tariffs sharply in 2025, the domestic economic impact ...

Peter Thomson reflects on the significant achievements of 2025 and proposes ways to maintain momentum in 2026.

Stephen S. Roach thinks effective diplomacy will be impossible so long as the current US president is in office.

Richard Haass reflects on the dangerous power shifts in the US and globally since Donald Trump's return to the White House.

United Nations Secretary-General’s Special Envoy for the Ocean.

Silvia Sgherri is a visiting scholar and adjunct professor at the George Washington University’s Elliott School of ...

José Manuel Barroso reflects on what has made Gavi so successful, even as other international organizations have become ...

Cristina Ramirez warns that the continent’s allergy to sensible reforms could lead it down the same path taken by Argentina.

Arvind Subramanian explains how both the United States and China are making life harder for developing countries.

PS editors asked PS contributors to identify national and global trends to watch for in the coming year.

Yanis Varoufakis shows that the combined effect of all three has left Europe the most shocked and shaken of all.

Adekeye Adebajo cites three possible motives for threatening to invade the country, all of which reflect an imperial mindset.