Poland’s president,  Andrzej Duda, has begun began to play a more independent role in his country’s affairs. Photograph: Radek Pietruszka/EPA

Poland’s president Andrzej Duda has vetoed a law that would have demoted officials involved in the imposition of martial law in Poland 37 years ago, i(...)

Lech Walesa in Gdansk in 1983: the Nobel Peace Prize winner has previously acknowledged signing a commitment to be an informant but has insisted he never acted on it.   Photograph: AFP/Getty Images

Recently seized documents show that Poland’s former president and Solidarity founder Lech Walesa was a paid informant for the communist-era secret sec(...)