"The unfunded liabilities in entitlement schemes are already showing that they're reaching their tipping points a decade earlier than projected; for the last five months, Social Security has taken in less money into the "trust fund" than it has disbursed - in other words, the tipping point predicted (variously) in 2014, 2018, 2019, 2023, etc - it is here and now: social security is now having to be made whole by the general fund."