NASA can do it on it's current budget, they do not need more money, just better money management.
I say scrap the entire NASA program and start from scratch.
Peace Out~:D
...and there is no where to really, go. Think about it. There is no livable planet anywhere that we have come across, why go live in a box in space? Also, with the rate this entire planet is headed down the toilet, more and more money will need to go for defending this great nation of ours...