But while the obstacles to evidence-based governance are formidable, they are not insurmountable.
But the lieutenant governor continues to face significant if not insurmountable obstacles.
That's an insurmountable hurdle to collaboration, say leaders from both sides.
That defeat was driven largely by Romney losing women voters by an insurmountable 11 points.
Abuse, poverty, and violence can feel like insurmountable obstacles in our communities.
The geography of the country interposed to its success an insurmountable obstacle.
He had dragged himself this far, and reached an insurmountable obstacle.
But to the elder its dimensions were an insurmountable difficulty.
It appeared then that for some reason this was an insurmountable objection.
If he encountered any insurmountable obstacle in the narrow passage, Godfrey could be got down again.