Tarina White, Calgary Sun, June 17, 2007 While Alberta's teachers are set to ask for double-digit wage hikes, the province's nurses are awaiting a mediator's report in their own stalled contract negotiations. The United Nurses of Alberta, which has been in contract talks with the province since January, last month rejected the government's latest offer. Karen Craik, UNA provincial secretary treasurer, said the mediator should make a recommendation next week. "Both parties will take a look at it and put it out for discussion," she said yesterday. The UNA's contract with the province expired March 31. ... Nurses