Soc Security
Bush's plan is "from each according to their ability, to each according to their needs." An income redistribution scheme. In other words, if I don't save for retirement by investing in a 401K, and instead spend the money I could have saved, no problem, because when I retire I can get more from the government than those with "means", as the government gets tax money from taxes on the 401K withdrawals.
That being said, it IS important to adjust SS given that each year the ratio of workers to recipients decreases.