The disturbing words of Tusk. He's talking about 1 advantage from the Russians

Polish Prime Minister Donald Tusk in an interview with the British “Sunday Times” said that although Ukraine is prepared to proceed fighting Russia for the next 2 or 3 years, the conflict could extend even a decade. Tusk stressed that 1 of Russia's biggest problems are the dramatic economical difficulties, but stated that Moscow inactive has a serious advantage [...]