The U.S. Supreme Court's decision to take up a case on the abortion pill mifepristone has unnerved Republicans from swing districts.The court's decision last year to overturn Roe v. Wade limited GOP gains in last year's midterm elections and is expected to again play a major role in next year's elec...

The U.S. Supreme Court’s decision to take up a case on the abortion pill mifepristone has unnerved Republicans from swing districts.The court’s decision last year to overturn Roe v. Wade limited GOP gains in last year’s midterm elections and is expected to again play a major role in next year’s elec…