Mark Cuban joins billionaires to support campaign finance reform

Dallas Mavericks minority owner Mark Cuban has collaborated with billionaires William von Mueffling, Reid Hoffman, Steve Jurvetson, and Vin Ryan. They filed an amicus brief advocating for a Maine campaign finance law that limits contributions to super PACs. The brief argues that their wealth should not grant them greater political influence than other Americans. The billionaires express concern over the extraordinary influence their wealth may yield in politics and state they did not seek this power.

• 9:45 AMYahoo Sports — Mark Cuban has teamed up with four other …