Not to get into politics here, but I've never understood why the US makes taxes so difficult. Why do you have to remember to file them yourself when the government surely already knows how much you have made?
Where I live, the government handles everything automatically most of the time, and most deductions are included automatically as well. They send you a summary of the calculations along with how much you owe or the refund you'll receive. Only in rare cases, usually when some deductible is missing, do you need to fill out and submit forms yourself.