By Glen Hallick Glacier Farm Media | MarketsFarm – The Canadian dollar shed less than a 10th of a cent on Tuesday, unable to glean support from increased oil prices and a slightly weaker United States dollar. The loonie closed on Tuesday at US$0.7230 or US$1=C$1.3832 compared to Monday’s close of US$0.7238 or US$1=C$1.3816. The