Two of Alberta’s biggest unions advertised in favour of a petition to keep the province in Canada, with the labour groups spending more than 40 times those of the organizations who backed Alberta’s pro-separatist effort, according to a provincial public registry. As of April 9, the United Nurses of Alberta had spent $34,391.07 to advertise in support of the Forever Canadian petition, while the Alberta Federation of Labour (AFL) spent $10,000, according to Elections Alberta’s public registry. By comparison, the only two organizations who registered to advertise in favour of Alberta’s...