I said here last night that the California GOP audience cheering the announcement that Texas has executed 234 condemned murderers under Rick Perry was a vile, repulsive thing. Even when I was for capital punishment, I believed this. Justice may require execution, but we should never rejoice in taking the life of another human being. At best, capital punishment is a necessary evil. I quit believing in capital punishment when I became convinced that the state is not trustworthy to use this power responsibly. It happened about 10 years ago, when it emerged that a forensic scientist in Oklahoma whose...