atherton calif./washington u.s. president barack obama thursday call supreme court decision delay implementation administration clean power plan unusual express confidence white house would prevail confident strong legal foot tell group democratic donors california first public remark move washington gina mccarthy obama head environmental protection agency tell state energy environmental regulators rule go slow us down supreme court tuesday deliver blow plan centerpiece obama climate change policy backbone administration commitment cut greenhouse gas emissions pledge last year paris obama say supreme court fact require epa regulate carbon emissions clean air act show scientists harmful public health say people comment recent days supreme court decision strike clean power plan true despair people say mccarthy tell state regulators task comply rule confident plan survive legal challenge try boost morale among officials want mccarthy tell crowd pick rededicate tell people country serve say shake fists air supreme court stay small pause years-long effort epa state get clean power plan grind say plan design low carbon emissions u.s. power plant 2030 32 percent 2005 level supreme court order delay implementation legal challenge regulation complete supreme court say environmental protection agency require regulate carbon emissions threat public health clearly show case obama say fight climate change critical president legacy complete final year office obama say confident legal foot supreme court carbon decision