Constitutions define the legitimacy of a state. But they have long been at the mercy of international power politics.

Fresh possibilities have emerged for President Vladimir V. Putin of Russia with a change of power in Washington.

Russia signed at least five treaties guaranteeing Ukraine’s sovereignty and territorial integrity. Russian annexation of ...

The Ukrainian Prosecutor's office had documented 39,347 alleged Russian war crimes. At Bucha, a suburb of Kyiv, more than 300 ...

Specifically, he picked out Poland, Slovakia, Latvia, Estonia, and Moldova as Putin's potential next conquests should he ...

In Moscow lies a corpse the tsar fears so much his spies still guard the grave. When Trump visits Russia, he should take time ...

The Ukrainian President has issued a stark warning to European allies that Vladimir Putin is eyeing up five other countries ...

is a pathological autocrat whose warped worldview and homicidal treatment of political opponents were formed in the moral cesspool of the Soviet Union’s security services. [Vladimir Putin] has ...

The drama going on between President Trump and President Volodymyr Zelensky of Ukraine raises one of the most disturbing ...

As US President Donald Trump has pulled the rug under the feet of Ukraine, Russian President Vladimir Putin is preparing to ...

Both at home and in international relations, the American president seems to be promoting illiberal ideas and methods that ...

Russia would take Ukraine backward a century, versus the value Ukraine could truly offer the world in the 21st century.