ROME (AP) — Secretary of State John Kerry said Wednesday he would depart in two weeks on another trip to the Middle East to push peace between Israel and the Palestinians. Speaking to reporters alongside Israeli peace negotiator Tzipi Livni, Kerry said he'd depart on his fourth trip to the Jewish state as America's top diplomat around May 21 or 22. He will meet Israeli Prime Minister Benjamin Netanyahu and Palestinian President Mahmoud Abbas. "We are working through threshold questions," Kerry said, ahead of his private talks with Livni in Rome. "We're doing it with a seriousness of purpose that...