FILE - In this Oct. 14, 2020, file photo, Supreme Court nominee Amy Coney Barrett listens during a confirmation hearing before the Senate Judiciary Committee on Capitol Hill in Washington. Barrett served for nearly three years on the board of a private Christian school that effectively barred admission to children of same-sex parents and made it plain openly gay and lesbian teachers weren’t welcome in the classroom. (Erin Schaff/The New York Times via AP, Pool, File)
Amy Coney Barrett is all but certain to serve on the US Supreme Court bench. AP Photo

What the battle for the US Supreme Court is really about