The bishops are focused on chipping away at abortion access by seeking increasingly elaborate definitions of what constitutes "federal" funding. This is fitting because the bishops helped formulate the original Hyde amendment in the 1970s that prohibited the use of federal funds for abortion in the first place.
MORE: http://www.religiondispatches.org/dispatches/patriciamiller/7504/bishops_seek_expanded_definition_of__federal_funding__to_curtail_abortion_/