The U.S. Supreme Court on Tuesday agreed to weigh a challenge by industry groups and some states to an Obama administration regulation intended to limit emissions of mercury and other hazardous pollutants mainly from coal-fired power plants.
The United States voiced concern on Tuesday over a draft plan by two EU lawmakers to break up Google Inc (GOOGL.O), saying politicians should not influence the EU's antitrust inquiry into the world's most popular Internet search engine.
A seven-month extension in talks between world powers and Iran on a deal to curb its nuclear program emboldened critics in Washington and Tehran, threatening to undermine further talks.
After nine months of non-stop German diplomacy to defuse the crisis in Ukraine, Chancellor Angela Merkel decided in mid-November that a change of tack was needed.
