Forget this year. Here are 4 ways to pay less tax next year.

Alexander Smith wants you to look at your tax return not as a chore, but as an opportunity. Do the math, follow the money, and you can figure out how you get from the income you earn to the tax you owe. Armed with that information, you can change your behavior and pay less tax next year. Smith is a behavioral economist at Worcester Polytechnic Institute in Massachusetts. He wishes taxpayers would get more jazzed at the prospect of lowering their taxes in the future, simply by changing the way they spend ...