New York City has curbed "stop and frisk", but the crime rate is getting lower anyway.

How about ending the practice of harping on minor offenses that led to the death of Eric Garner?

The UK's ban on sending books to prisoners has been cancelled by a court.

Cutting CO₂ emission is the way to cut emissions of medium-term greenhouse gases also.

Who is legally responsible if you set a robot running and it commits a crime?

I would not assume a priori that the same answer fits all kinds of crimes.

The International Criminal Court has dropped its case against Uhuru Kenyatta, president of Kenya, accusing him of intimidating witnesses and denying access to pertinent documents.

I don't know the details; in particular, I can't take for granted that the retracted testimony was true. But I also can't take for granted that it was really a lie.

What we can tell is that the ICC by itself has trouble acting against the politically powerful unless other stronger governments exert pressure too strong to resist.