(Adds further quotes, context) GENEVA, Nov 12 (Reuters) - A Swiss laboratory named in a World Anti-Doping Agency report that alleged a state-sponsored drugs culture in Russian athletics denied on Thursday it had acted wrongly in destroying 67 samples sent from Moscow for testing. An independent commission set up by the World Anti-Doping Agency (WADA) said on Monday that Russia's athletics federation should be suspended after uncovering widespread use of performance-enhancing drugs. The report said the samples were important evidence regarding allegations by former throwing disciplines coach Oleg Popov who had warned WADA of a scheme to swap positive samples for clean ones, involving 67 athletes. More...