Mitch McConnell is a Russian asset. This doesn’t mean he’s a spy, but neither is it a flip accusation. Russia attacked our country in 2016. It is attacking us today. Its attacks will intensify in 2020. Yet each time we try to raise our defenses to repel the attack, McConnell, the Senate majority leader, blocks us from defending ourselves. Let’s call this what it is: unpatriotic. The Kentucky Republican is, arguably more than any other American, doing Russian President Vladimir Putin’s bidding. Robert Mueller sat before Congress this week warning that the Russia threat “deserves the attention of every American.”...