Even with substantial Democrat majorities in the state legislature, he can't even get a budget passed, which the law requires be done by July 1. This is a powerful message to run on in the Fall. In VA it sunk Mark Earley who was (fairly or unfairly) tied to the incumbent gov, Jim Gilmore.
You said 17 point lead in the polls. Have you seen another one, or is that comment based on the one nebulous Dem poll from last week?
That was the one discussed here last week. Besides the two months left are an eternity in politics. Look underneath the surface and no one much likes GrayDown and his underperformance so far turns people off even those in his own party.