Complex sentence: Attempts were made to negotiate a reduction in charges against Calder, but these were unsuccessful and in December 1981 Governor Ray wrote to Governor Barceló that in the absence of a "change to a more realistic charge," the request for extradition was denied.
Split into simpler sentences: Attempts were made to negotiate a reduction in charges against Calder, but these were unsuccessful. In December 1981, Governor Ray wrote to Governor Barceló that in the absence of a "change to a more realistic charge," the request for extradition was denied.