These days, journalist and former George W. Bush speechwriter David Frum is a scathing critic of 2024 GOP presidential nominee Donald Trump. But back in the early 2010s — even before he wrote his 2016 book "Hillbilly Elegy" — Trump's now-running mate, Sen. J.D. Vance (R-Ohio), was a blogger for Frum's FrumForum. And in those days, Vance championed a more traditional conservatism and had yet to become the MAGA firebrand he is today. In an article published by Politico on August 13, journalist...