US Vice President Kamala Harris has reiterated calls for a ceasefire in the Gaza war. Mediators US, Egypt and Qatar are pushing for a breakthrough between Israel and Hamas. Negotiations were postponed on Friday with another high-level meeting scheduled to take place in Cairo before the end of the week. Harris said the conversations were ongoing. “We are not giving up, and we are going to continue to work very hard on this,” she said. “We got to get a ceasefire and we got to get those hostages out.” On Monday, US Secretary of State Antony Blinken was expected to meet Israeli President Isaac Her…