The US political establishment's unwillingness to help Ukraine is extremely unpopular across the political spectrum in the US
The US political establishment's unwillingness to help Ukraine is extremely unpopular across the political spectrum in the US
www.pewresearch.org
How Americans see the parties on key issues

We aren't seeing a change in heart from Trump, we are seeing Trump's true position become untenable with US voters.
This is a vital context an analysis of Ukraine-US relations has to account for.