It's inevitable, perhaps, that Virginia federal judge Henry Hudson's ruling Monday striking down key aspects of the health-care law would be looked at from every angle, including whether the judge should even have presided over the case.

Hudson is an investor in a political-consulting firm that has done work for Republicans including Virginia Attorney General Ken Cuccinelli, who brought the suit challenging the law, and Sarah Palin, WSJ reports.The judge's financial-disclosure forms for 2009 show that he received between...