Liberal groups already enjoy a tremendous structural advantage over conservative groups in terms of foundation support, bricks and mortars institutions and a steady pipeline of youngsters eager to shape mankind to their own image. There’s another often overlooked advantage enjoyed by the left: big law firms donating thousands and thousands of hours to help leftist causes far outside of the American mainstream. There is no counterpart donation of time and money for conservative causes. Big Law’s ideological “lawfare” completes the architecture for attacks on election integrity laws, springing free Al-Qaeda terrorists and even suing conservative new media pioneers like Andrew...