On Tuesday, coal miners Danny Smith (left) and Greg Kelly are expected on Capitol Hill, where they’ll ask lawmakers to fully restore a tax that pays for medical care for miners diagnosed with black lung. Both have the worst stage of the disease after years of mining.

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On Tuesday, coal miners Danny Smith (left) and Greg Kelly are expected on Capitol Hill, where they’ll ask lawmakers to fully restore a tax that pays for medical care for miners diagnosed with black lung. Both have the worst stage of the disease after years of mining.