I cannot understand how reaction can be "split" in the GOP to the inclusion of a "parody" that debut on Rush Limbagh's radio show in a Christmas compilation cd for RNC members. How parody will be received depends on the context.
Here's the context, as reported in the New York Times:
"There are no black Republicans in Congress, and a party spokesman could name only 2 blacks among the 168 members of the national committee. Katon Dawson, the chairman of the South Carolina Republican Party, resigned from an all-white country club in preparing for his campaign to be party chairman."