DUBAI, United Arab Emirates (AP) — Negotiators taking part in aWorld Trade Organizationmeeting in the United Arab Emirates ended their summit early Saturday after failing to reach agreements on several major initiatives, the latest sign of turmoil within the global body. The WTO delayed its closing ceremony in Abu Dhabi by over a day as the 166-nation bloc struggled to reach consensus on fishing, agriculture and other issues. The only agreement of note came on extending a pause on taxes ondigital media such as movies and video games. On that issue, the WTO decided to extend the pause until the…