The ceasefire between Israel and Hamas is well and truly over, with the war expanding to include southern Gaza, where many have already fled to escape the destruction in the north. Meanwhile, prime minister Benjamin Netanyahu finds himself in disagreement with Israel’s biggest supporter, the US, over what should happen after the war ends.  So how significant is tension between the US and Israel? And could it limit how long the conflict can go on? Today, Middle East correspondent for The Economist Gregg Carlstrom, on the reality of the war since the ceasefire ended.  Socials: Stay in touch with us on Twitter and Instagram Guest: Middle East correspondent for The Economist Gregg Carlstrom