Kochs file Kan. lawsuit over think tank ownership Current Status: Blessed (1) Change Status: BlessedPublishedUnpublishedRestoredQuarantinedDuplicatedCensored John Hanna, AP Political Writer Thu Mar 1, 2012 10:41 AM us-newsuslawsuitkoch-brothersbrothersdavid-kochcato-institute Tweet Discuss: ! keyboard shortcuts: V vote up article J next comment K previous comment