Some of the posters here seem content to run people who have ZERO chance of winning and just say “well they were 99% of what I wanted vs that horrible RINO who only gave me 90%”
These mid terms are crucial if for nothing else, to ensure gridlock in the congress.
It really depends upon the content of the 10% disagreement. There are some principles that cannot be compromised. If your 90%-10% was applied to other areas, like marriage, I would have married another man, but the wrong plumbing is a deal breaker for me.