For your edification AND entertainment: A brouhaha on Cosmicvariance (a blog written by physicists and astrophysicists) concerning tax rates, Laffer curves and the manipulation of economic data.
Sound deadly dull? Au contraire, it’s hilarious. The comments are highly informative (if, like me, you aren’t familiar with the Laffer curve) even as they devolve into the usual interdisciplinary insultathon, including gems like:
As a physicist I can confidently say the problem with economics is you have plenty of data, you just don’t really have a science that can do anything sensible with it.