British Columbia’s fractious debate over harmonized sales tax threatened to boil over into farce this week as opponents of the tax called on the government to intervene in its own referendum. Fight HST leaders say thousands of British Columbians have not received the mail-in ballots needed to vote in the poll. All ballots must be received by Elections B.C. by Aug 5. The HST fight has dominated B.C. politics for more than a year, with a devil’s brew of right-wing activists and New Democrats ganging up to punish the governing Liberals for bringing in the levy.