The CBO calculates that the deficit could rise to 23% of GDP in the next 40 years if it fails to tackle the yawning imbalance between revenue and expenditure.

• 美国国会预算办公司警告，如果美国不能在财政收入和支出间寻求合理的平衡，40年后，美国的赤字将会占到GDP的23%25！