China's ruling party has revealed that ex-Politburo member Zhou Yongkang, with oil and gas sector ties, is under investigation for graft. Lex's Lucy Colback and Joseph Cotterill discuss the implications for investing in country's oil and gas companies.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
