The last of the 23 executive actions President Barack Obama promised to combat gun violence after the Sandy Hook school massacre 11 months ago is completed. The most recent is a rule he signed earlier this month requiring that health insurance plans include the same coverage for mental illness and substance abuse as they do for other conditions.

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Some of Obama's executive actions should help. For instance, federal officials will be required to trace guns used in crimes to the dealers who sold them, and school officials will be trained to handle shooter situations. But it's all small ball, which is the most the public could get after Congress failed to expand background checks and to make gun trafficking a federal crime.

Sadly, in Congress, common sense on guns is rarer than the tragedies that continue to demand it.