Last week’s visit by Israeli war cabinet minister Benny Gantz to Washington hit a nerve in the relationship between the US administration and Israel’s government, underscoring a personal dimension of the diplomatic tensions between the two countries amid the Gaza war. Gantz, former chief of General Staff of the Israeli Defence Forces (IDF) and defence minister, and now part of the war cabinet after Hamas’s October attack, travelled to Washington for a meeting with several US officials, including Vice President Kamala Harris and Secretary of State Antony Blinken, before heading to the United Ki…