While Mitch McConnell and his allies will try to blame conservatives for nominating Roy Moore, it’s important to remember that McConnell is the main reason Roy Moore was nominated.
The moment it was clear there would be a Special Election to replace Jeff Sessions, McConnell and his PAC, Senate Leadership Fund (SLF) declared they would back Luther Strange and vowed to spend millions on his behalf.
Strange was a flawed candidate from the jump. The circumstances around his appointment by scandal-ridden Governor Robert Bentley were sketchy at best, and rightly or wrongly, voters just never trusted him.
Looking back, an establishment candidate like Strange, beset by issues surrounding his appointment was never going to win a runoff in an anti-establishment state like Alabama–certainly not in the year after Donald Trump was elected.