By JOSEPH MATT    Satan continues to tighten his grip on the direction of our culture. In just the past couple of weeks, our nation has witnessed brutality and evil revealing themselves in shocking and exponential ways.     We have seen the savage murder of a beautiful young Ukrainian immigrant on the Charlotte light rail, the ruthless killing of two young children at Annunciation Catholic School in Minneapolis, and now, the assassination of a public figure—Charlie Kirk—murdered for holding ideas contrary to a growing segment of our population. Many within that segment have already succumbed to, and even embraced, the very arguments of Satan himself. Shockingly, some reactions on social media fanned the flames of this evil further by openly celebrating the assassination.     How did we get here? How can such things happen in a nation once founded on faith and moral order? Consider how quickly our culture has embraced abortion on demand—even up to, and after, birth. Reflect on the public acceptance of same-sex marriage,