Israel-Hamas war upends years of conventional wisdom. Leaders give few details on what comes next.

Just three weeks into the deadliest war between Israel and Hamas, it already is clear that the bloodshed has flipped long-standing assumptions in Israel and the region upside down. Israel’s military and intelligence services were exposed as incompetent and ill-prepared. Israeli Prime Minister Benjamin Netanyahu’s decades of attempts to sideline the Palestinians and U.S. efforts to manage the conflict, rather than solve it, badly backfired.