Medicare/Medicade, Social Security and the trillion pound gorilla in the room, defense spending are what makes up almost all of the budget, everything else is a rounding error in comparison. The old people are the one that vote and won't let you touch their programs, hell the teahadists even scream "don't socialize my Medicare"lol and there's a big segment of the population that says we're giving the country away if a politician even thinks about reducing the defense budget. On top of that, over the past 25 years or so the tax burden has trickled down from the people that have 90% of the money, the top 1%, to the people that only have the rest of the 10%, us.