Trade, climate change, Iran focus as G-20 leaders meet

OSAKA, Japan (AP) — Trade and geopolitical tensions, and the looming threat of climate change, are on the agenda as Chinese President Xi Jinping and other world leaders gather in Osaka, Japan, for a summit of the Group of 20 major economies.While prospects for detente in the trade war between the United States and China are in the spotlight, many participating are calling for a broader perspective in tackling many global crises."This will be a difficult G-20, there are global challenges to