By Glen Hallick Glacier FarmMedia MarketsFarm – The Canadian dollar tacked about a tenth of a cent on Thursday morning as the United States dollar stepped back and crude oil inched upward. As of 8:38 am CST, the loonie was at US$0.6939 or US$1=C$1.4404 compared to Wednesday’s close of US$0.6928 or US$1=C$1.4439. On the United