General Stanislaw Skalski, Poland’s top fighter ace from the Second World War and a participant in the Battle of Britain, died today in a Warsaw military hospital, a military spokesman said. He was 89. Serving in the Polish air force, Skalski shot down a German reconnaissance plane on September 1, 1939, the day Nazi Germany started the war by invading Poland. Some historians credit him with the first aerial victory against the Germans, although another pilot also scored one at around the same time. Poland was soon overwhelmed, and Skalski fled for Britain and joined the Royal Air Force’s No...