COPENHAGEN, Denmark - Setting the stage for its largest expansion ever, European Union (news - web sites) leaders agreed Friday on financial terms with 10 countries, mostly from the formerly communist east, to bring them into the union in 2004. At the same time, the EU leaders told Turkey it can open its membership negotiations "without further delay" if it meets membership criteria in a December 2004 review. The date was two years later than Turkey had wanted, but firmer than initially offered. Turkish Prime Minister Abdullah Gul came to Copenhagen demanding a 2003 starting date. At one point during...