House Republicans are racing this week to put the Israel-Hamas war at center stage on Capitol Hill, a move designed both to unite their warring conference and to highlight the long-standing Democratic divisions over the Israel-Palestine conflict. GOP leaders are pushing a proposal to reverse President Biden’s recent freeze on the delivery of certain U.S. weapons to Israel, which was adopted to pressure Israeli leaders to take more care in protecting Palestinian civilians amid mounting casualties in the Gaza Strip. The proposal is likely dead on arrival in the Democratic-controlled Senate, where Majority Leader Chuck Schumer (D-N.Y.), the nation’s most...