Even as Righthaven LLC made headlines for suing Nevada U.S. Senate candidate Sharron Angle last week, attorneys in another Righthaven case accused the firm of misusing the legal system to carry out its copyright infringement lawsuit campaign. Righthaven, controlled by Las Vegas attorney Steven Gibson and the family of Arkansas investment banking billionaire Warren Stephens, has contracted with the Stephens Media LLC-owned Las Vegas Review-Journal to file copyright infringement lawsuits against 117 website owners and bloggers since March.