A founding member of Hamas — the terrorist group behind the weekend slaughter of more than 1,200 people, including babies — was among those killed Tuesday in an Israeli airstrike on Gaza, according to local reports. Abd al-Fattah Dukhan, a senior Hamas official known as “Abu Osama,” was killed in an attack by Israeli Defense Forces in the central Gaza Strip, Israel’s KAN public broadcaster reported, citing local Palestinian reports. The prominent member was taken down in the Nuseirat neighborhood in the center of Gaza, according to the report. Two other senior Hamas leaders, Zachariah Abu Ma’amar and Jawad Abu...