Lance Armstrong... greatest doper there was or ever will be

"We will continue to do everything we can do to ensure transparency and honesty in his testing results. We have the utmost respect for Don and all he is doing in the fight against doping in sport but we faced a myriad of problems relating to administration, coordination and cost."

So, basically, testing an athlete so as to be sure that s/he is clean costs too much. Ergo, loopholes in testing régimes will continue to exist, and athletes will continue to exploit them. Nothing new here, move on.