Warren Buffett's Berkshire Hathaway sees record profit

As we begin our trek into the economic ideologies of social 30, this article caught my eye. Warren Buffet is a billionaire who questioned the idea he gets to pay less taxes as a rate than his secretary (article). Well, Mr. Buffet's back in the use in this article here. We have discussed Liberalism (especially classical liberalism) and in context of our discussion, what position would you take on taxes? How can taxes have a bearing on how liberalism is played out, or not, in our society? Love to hear your views.