US Vice President Kamala Harris expressed “deep concern” over the situation faced by Gaza’s civilians faced with Israeli brutality in talks Monday with Benny Gantz, an Israeli war cabinet member and top rival of Prime Minister Benjamin Netanyahu. A day after she delivered some of the most stinging US criticism of Israel since the war began, Harris called for Israel to let in more aid to the war-hit and besieged Palestinian territory, while also urging Hamas to accept a six-week ceasefire deal. The meeting with Gantz, a centrist former military chief, underscored growing frustration from the Wh…