It will be refreshing to see Iowa's (and the Midwest's in general) total reversal in characterization as soon as they vote for literally one Democrat again. 
More seriously, Iowa was and will be (for the foreseeable future) a swing state. Not a surprising poll.
1) Everyone's assumption that Iowa is a populist haven just because it went Obama-Trump is kind of strange to me ... well, not really from you.
2) Citation needed on that incredibly odd last part about trophy wives.
Of course Iowa is a strong populist state. It had once voted reliably Dem without any real big cities or non-whites.
Second of all, the Dem embrace of pet causes of rich housewives like straw bans, gun registries, and other token social justice silliness have alienated the Midwest. I personally wish the Second Amendment was repealed, but I know that won't play politically right now.
