It’s hot in Washington DC and Congress will return soon to figure out how to balance the federal budget. Part of the equation is likely to include raising more tax revenue. It’s easy to picture the thousands of lobbyists on K Street polishing their Gucci loafers and sharpening up their arguments to protect the interests they are hired to lobby for. There is no more epic battle in Washington than when tax benefits are being redrawn. The federal pie is getting smaller, and the battles will be fought in close combat.

As the struggle around taxation heats up you hear two recurring arguments. First is the idea that if you raise taxes on the upper-income earners you would kill the incentive to invest in job creation. And because job creation is the most essential need of our economy, raising taxes on the wealthy would kill the golden goose. Saying that raising taxes hurts the “job creators” is generally a Republican talking point. The other common argument is one of fairness. This is a liberal talking point, although it should be one embraced by all elected officials representing “the people.”

In his well-circulated New York Times op-ed, Warren Buffett talked about the unfairness of the low tax rate for those who earn income from their wealth as opposed to those who earn their income from their wages:

If you make money with money, as some of my super-rich friends do, your [tax] percentage may be a bit lower than mine. But if you earn money from a job, your percentage will surely exceed mine — most likely by a lot.

New York Times columnist James Stewart dove deeper into the issue and began to address the legal difference that allows differential taxation: