Cut all discretionary and defense spending to 0, and we would still be running a deficit due to entitlements. Tax "the rich" at 100%, and we would still be running a deficit. Tax corporations at 100%, and we would still be running a deficit.
On the left, politicians make it sound as though we're just a few tax hikes and some defense cuts away from a sound federal budget. On the right, they make it sound as though all we need are some cuts to programs like the UN or foreign aid and some tax cuts to spur economic growth.
They are both in a DREAM WORLD. Some taxes will have to go up, but most importantly, Social Security and Medicare will have to be substantially reduced. Whether it means privatization, defined contribution, or some combination of solutions, no one in my generation (I am currently 24) will see either of these programs as our parents did. In fact, current retirees and soon-to-be-retirees will also probably need to have their benefits reduced. There is just no way around it.