Thirty years ago, Christa Pike tortured a young girl to death using, at various points in the lengthy process, a knife, a meat cleaver, and a chunk of asphalt. Last night, finally, after three decades on death row, she was supposed to face the consequences of her crime. There’s no reason why it should have taken this long. Christa Pike could have been, and should have been, killed long ago. She should be fully decomposed in an unmarked grave outside of the prison by now. Once she was convicted of her crime — …