"Gates, Buffett Visit Alberta's Oil-Sands Region, Post Reports By Kevin Bell Aug. 20 (Bloomberg) -- Microsoft Corp. founder Bill Gates and billionaire Warren Buffett toured Alberta's oil-sands region this week and were hosted by Canadian Natural Resources Ltd. and an industry group, the National Post said. Gates and Buffett visited northeastern Alberta to satisfy their curiosity and ``with investment in mind,'' the newspaper said today, citing an unidentified person. The Canadian Association of Energy Producers made a presentation to the pair, who saw the Horizon development, which will become Alberta's fourth major oil-sands mine when it begins production this year, the Post said. A spokesman for Canadian Natural Resources confirmed the visit, which occurred Aug. 18, and declined to comment further, the newspaper said" Over $100 Billion is being invested in the Oilsands everyear, Haven't heard much about it on this board. Anyone paying attention to it?