U.S. isolated on climate at summit of world leaders

By Paul Carrel and Noah BarkinHAMBURG (Reuters) - Leaders from the world's leading economies broke with U.S. President Donald Trump on climate policy at a G20 summit on Saturday, in a rare public admission of disagreement and blow to multilateral cooperation.German Chancellor Angela Merkel, keen to show off her skills as a mediator two months before a German election, achieved her primary goal at the meeting in Hamburg, convincing her fellow leaders to support a single communique with pledges on