Original sentence: George initially let the USAC continue to saction the IRL, however after judging controversies at 1997 Indy 500 and Texas Motor Speedway, the USAC was replaced by the IRL's in-house officiating
Edited sentence: George initially let the USAC continue to sanction the IRL, however after judging controversies at 1997 Indy 500 and Texas Motor Speedway, the USAC was replaced by the IRL's in-house officiating