 Complete the following phrase:  Hoping to preempt the Rhodesian issue far in advance of the 1976 Summer Olympics, incoming IOC President Lord Killanin sought to prove Rhodesias racial discrimination in sport in order to use it to bar the National Olympic Committee permanently from the Games. Based on the evidence the organization was able to uncover, in 1975 the IOC voted 4126 to expel Rhodesia from the Games on a permanent basis. The nation would not return to the Games until 1980, after the white-dominated government had fallen and the country had been renamed Zimbabwe. Rhodesia was still able to compete at the Paralympics in 1968 and 1972, as it had in 1960 and 