(September 26, 2017, 12:23 PM EDT) -- WASHINGTON, D.C. — The shareholder of a low-income health care provider placed into rehabilitation after changes wrought by the Patient Protection and Affordable Care Act (ACA) impermissibly seeks to challenge state law rulings in a federal district court, a judge in the District of Columbia held Sept. 7 (D.C. Healthcare Systems Inc., et al. v. District of Columbia, et al., No. 16-1644, D. D.C., 2017 U.S. Dist. LEXIS 145030)....