US envoy cancels Mideast trip, Israel feud deepens By AMY TEIBEL, Associated Press Writer Tue Mar 16, 7:40 am ET JERUSALEM – A U.S. envoy's postponement of his Mideast trip appeared Tuesday to deepen one of the worst U.S.-Israeli feuds in memory — even as Israel's foreign minister signaled his government had no intention of curtailing the contentious construction at the heart of the row. Hundreds of Palestinians hurled rocks at police and set tires and garbage bins ablaze across the holy city's volatile eastern sector, where the construction is planned. Plumes of black smoke billowed and the air reeked...