In the ‘90s, Judicial Watch, an organization that seeks to hold Democrats and Republicans accountable to the law, pursued members of the Clinton administration. Larry Klayman, the organization’s founder, filed several lawsuits to expose alleged cover-ups in Commerce Department trade missions and the suicide of White House aide Vincent Foster. When George W. Bush became president, Klayman demonstrated that he could also go after Republicans. In 2002, he sued the Bush administration in an unsuccessful attempt to gain access to documents and information about Vice President Dick Cheney’s secret energy task force. Now the self-described “public interest group” may have...