How does the International Olympic Committee solve a problem like Russian doping?

Today the International Olympic Committee delayed its decision to ban Russia from this summer's Olympic games. The announcement followed a report released Monday that confirmed the country ran a state-sponsored doping regime during the last two Olympics.
The IOC has assembled a five-person committee that will explore legal options for punishing Russia. That committee is also charged with reinvestigating the World Anti-Doping Agency's report, issued yesterday, as well as determining how