Don't reward bad behavior. It is one of the first rules of parenting. During the financial cataclysm of 2008, we said it differently. When we bailed out banks that had created their own misfortune, we called it a 'moral hazard', because the bailout absolved the bank's bad acts and created an incentive for it to make the same bad loans again.
President Obama is doing the right thing by offering young immigrants, most often in this country through no action of their own, a chance to live and work openly, free from the fear of deportation.
Our criminal justice system is fallible. We know it, even though we don't like to admit it. It is fallible despite the best efforts of most within it to do justice. And this fallibility is, at the end of the day, the most compelling, persuasive, and winning argument against a death penalty.
Yes, people pull the trigger — but guns are the instrument of death. Gun control is necessary, and delay means more death and horror.