According to the United Nations, aid deliveries into Gaza have decreased by two-thirds since the Israeli military began its operation in Rafah in May. The UN and Palestinians blame Israel for the problem. Israel says it’s aid agencies and the chaos in Gaza that’s to blame. Reporter Rebecca Rosman looks at the logistics of getting aid and commerce into the territory. Meanwhile, the Israeli military has urged Palestinians remaining in Gaza City to leave, warning that the city would remain a dangerous combat zone.