U.S. House of Representatives Speaker Nancy Pelosi said on Thursday the United States has no appetite to go to war with Iran, after Tehran shot down a U.S. military surveillance drone over the Strait of Hormuz. Pelosi, the top Democrat in Congress, told reporters at a regular news briefing that 20 lawmakers will receive a briefing on the 'dangerous situation' in Iran at 11 a.m. ET/1500 GMT.