Headline: Reining in frivolous class-action lawsuitsPublication Date: Wednesday, June 22, 2011Primary Source: Philadelphia InquirerOther Sources: Real Clear PoliticsType: op-edFormat: Newspaper (Print)Nature of Mention: authoredScholar: Olson, WalterResearch Area: Law and Civil LibertiesSubjects: the Walmart class-action lawsuitAttached Files: Olson-Philly_1.pdf