Welcome to The Times of Israel's Friday Focus. Each Friday, join host deputy editor Amanda Borschel-Dan and diplomatic correspondent Lazar Berman for a deep dive into what's behind the news that spins the globe. This week, the duo is joined by military expert John Spencer, chair of War Studies at the Madison Policy Forum and executive director of the Urban Warfare Institute. As of recording time, some 100-200 Hamas terrorists are estimated to be holed up in tunnels in southern Gaza on the