Benjamin Netanyahu and his extremist right-wing government can’t win the “total victory” over Hamas that the Israeli prime minister repeatedly demands; even Israeli defense officials have said so. But he — or, more to the point, Israel — can lose. With the starvation of Gaza, Netanyahu is hastening a break in the bipartisan U.S. support for Israel, support that has endured for the entire lives of most Americans. After straining that broad backing for two decades by denying Palestinians’ humanity and overtly courting Republicans over Democrats in the U.S., Netanyahu is inviting a complete rupture by his culpability for Gazan...