Sadly your wiki quotations miss one of his key points. I just did a search and found Buchanan still advocating for higher taxes today. I don’t know how you keep missing this?
Pat Buchanan: It’s ‘Suicidal’ For Republicans To Raise Taxes
That was the third google entry when I entered - Pat Buchanan on taxes. I have always loved Pat Buchanan. I have seen him twice in person. I have seen him countless times on TV dating back to his nightly debates. I have NEVER heard him call for higher taxes. On the contrary, I have heard him complain of the tax burden on Americans and corporations. Could you please tell me where you found he advocates for higher taxes? Even the Wikipedia entry did not say that, and it is, of course, since he is conservative, a semi-hit piece.
And if you don't mind, could I see the specific link to that?