The war between Iran, Israel and the United States is entering a volatile new phase, with leaders on all sides striking defiant tones as the conflict nears its two-week mark and the toll in lives, economic damage and regional instability continues to rise. More than 2,000 people have been killed since fighting erupted on Feb. 28, most of them in Iran, while hundreds more have died in Lebanon amid Israeli strikes targeting Hezbollah positions. The widening confrontation has ra