Did Gardner support Trump?
...Gardner, a "Never Trump" Republican who opposed Trump in 2016,
https://www.axios.com/2020-presidential-election-senator-cory-gardner-endorse-donald-trump-6e3c238d-723f-4b6e-9479-f06f69a63796.html
Yes.
Tepidly and only when it was a direct benefit to Gardner to not go against Trump