Take the following as truth: Even assuming, for example, that the Congress and the President adhere to the oftenstated goal of saving the Social Security surpluses, our longterm model shows a world by 2030 in which these three programs alone would require almost threequarters of total federal revenue.
Then the following statement: "According to our model, these three programs would require almost two thirds of total federal revenue by 2020." is true, false, or inconclusive?