Associated Press: The Obama administration will seek to cut greenhouse-gas emissions from existing power plants 30% by 2030, potentially one of the biggest steps any country has ever taken to confront climate change, people familiar with the plan said Sunday.
Seen as the linchpin to President Obama's climate-change campaign and a key part of his legacy, the proposed power-plant rule will set state-specific targets for carbon-dioxide reductions and let local officials decide how best to meet the goals.
A formal...