Topic: Katyn Massacre

Internal Polish political tensions between President Kaczynski and Prime Minister Donald Tusk provide a backdrop to the Smolensk tragedy. Tusk had recently met with Russian leaders for a separate commemoration of the Katyn massacre, an event Kaczynski was not officially invited to attend. The complex history of the Katyn forest killings remains a sensitive point in Russo-Polish relations, as Russia continues to keep many related files classified.