On Sunday at 6 and 9 p.m. ET, David Frum will guest host After Words, Book TV on C-SPAN2’s signature author interview series. Frum will interview Victor Navasky, publisher of the Nation, who will discuss his new memoir, “A Matter of Opinion,” and reflect on his career in journalism. Mr. Frum is currently a resident fellow at the American Enterprise Institute and columnist for National Review. For more After Words, and this week’s guests, please visit www.booktv.org