Poland’s Tusk Returns to Frontline, Vowing to Lead Opposition to Victory

Former Polish prime minister and former president of the European Council Donald Tusk speaks during a party convention of the Civic Platform (Platforma Obywatelska), the main opposition party in Poland, in Warsaw, on July 3, 2021. Wojtek Radwanski /AFP via Getty Images

WARSAW—Former European Council President Donald Tusk returned to the fore of Polish politics on Saturday, becoming leader of the main opposition party in a move that many members hope can revive its sagging fortunes.

For many in the liberal Civic Platform (PO) party that Tusk helped to found, the stakes are nothing less than Poland’s future in the European Union.