Photo via the Telegraph For Americans, the deadline to file taxes is fast approaching. It's not a happy time for anyone: the inconveniences of hassling through all those forms, the belt-tightening, even corporations are cutting back in order to--what's that? Oh, hm. It appears that ExxonMobil, the biggest American corporation there is, paid no federal income taxes in 2009. Yes, despite record profits of a whopping $45 billion, the oil giant paid zilch in federal income taxes, a new...