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.

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.