Armstrong-Landis battle escalates in whistleblower case

The bickering between Lance Armstrong and his former teammate Floyd Landis continues to escalate as Armstrong's lawyers call Landis' attempts to get him to give exact details of his past doping "abusive, unreasonable and oppressive". Armstrong admitted to doping in January 2013, several months after the US Anti-Doping Agency banned him for life following a lengthy investigation, which Landis was a part of.