He could disagree on substance, but the underlying values that animated everything John did, everything he was, come to a different conclusion. But it is also an indictment of our current politics -- and a road map on how we can fix what's broken. The prevailing "value" of modern politics is partisanship: You are good if you are on my team. Anything the other team's captain says is wrong, by default, because they're the captain of the other team. When you read that last sentence, you understand why McCain was so openly critical of Trump, and why Trump disliked McCain in turn.
Source: CNN August 30, 2018 21:21 UTC