The easiest way is to simply ask the banksters for our $16 tillion back. But since the banksters rule the world, I guess we won't get that!
Means test benefits. If you made twice the median salary (approximately $33,000) in your last 5 years of employment, you get reduced benefits.
Eliminate the income limits. Why should you stop paying in just because you made more than $106,800? There are no income limits on medicare.
Do not raise the retirement age. This will only exacerbate the unemployment problem as fewer job openings will occur.
Legalize and tax marijuana. That may be $40 billion to $100 billion in new revenue!
Legalize and tax sports betting. Although only 35 states currently allow "gaming", that number is sure to grow. Adding $50 million to a state budget will help to eliminate the need for federal dollars.
A natural gas based economy. Get fleet vehicles and 18 wheelers running CNG. Get Detroit making those vehicles. And export LNG to other countries (USA nat gas is $3.76 but it can be liquified and sold at $16).