Observances were held in Poland on Sunday to mark the 80th anniversary of the “Great Escape,” an ingenious act of defiance during World War II in which 76 prisoners of war tunneled out of a German prisoner-of-war camp into a snowy forest. A solemn roll call of remembrance was held in ?aga?, where the former POW camp is now a museum, according to state broadcaster TVP World. Soldiers belonging to Poland’s 11th Armored Cavalry Division as well as American troops stationed there attended the event, the broadcaster said on its website. Most of the soldiers who escaped from Stalag Luft...