By Simon Lewis ABU DHABI (Reuters) -U.S. Secretary of State Antony Blinken was holding more talks with Arab leaders on Monday as part of a diplomatic push to stop the war in Gaza spreading further. Blinken met Abu Dhabi’s ruler, Sheikh Mohammed Bin Zayed Al Nahyan, in the United Arab Emirates and was due later on Monday to hold talks in Saudi Arabia with Crown Prince Mohammed bin Salman in the oasis town of Al Ula before heading on to Israel. Blinken stressed to Sheikh Mohammed Washington’s commitment to “securing lasting regional peace that ensures Israel’s security and advances the establish…