Howard Berkes

NPR's ongoing investigation of the advanced stage of the fatal lung disease that afflicts coal miners has identified an additional 1,000 cases in Appalachia.

That brings the NPR count of progressive massive fibrosis, the most serious stage of the disease known as black lung, to nearly 2,000 cases in the region, all of which were diagnosed since 2010.

Former Massey Energy CEO Don Blankenship is marking his release from federal custody with an appeal for vindication by the U.S. Supreme Court.

Blankenship served a one-year federal prison sentence after being convicted of conspiracy to violate federal mine safety laws. The charges stemmed from the disaster at a Massey Energy mine in West Virginia in 2010 that left 29 coal miners dead.

Updated at 6:25 p.m. ET

Two Democratic members of Congress want three federal agencies to work together to get a more accurate count of coal miners suffering from progressive massive fibrosis, the worst stage of the fatal disease known as black lung.

The request is a response to an NPR investigation that shows 10 times as many cases of the advanced stage of black lung as identified and reported by the National Institute for Occupational Safety and Health.

West Virginia's Democratic candidate for governor is a billionaire, a philanthropist and a resort and coal mine owner who cites his business and mining experience as major attributes as he seeks to lead his home state out of a severe budget and economic crisis.

"I am not a career politician; I am a career businessman," wrote Jim Justice in an April 5 op-ed that appeared in the Charleston Gazette-Mail.

An Oklahoma law that lets employers opt out of state-regulated workers' compensation has been rejected and declared unconstitutional by state regulators.

The Oklahoma Workers' Compensation Commission called the alternative workplace-benefit plans that some employers adopted under the law "a water mirage on the highway that disappears upon closer inspection."

The unanimous ruling by the commission, issued Friday, is expected to be appealed.

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