Flash Suppressors Do Not Kill People

Flash Suppressors Do Not Kill People

"These tragedies must end," says President Obama, referring to Adam Lanza's horrifying assault on Sandy Hook Elementary School in Newtown, Conn., last Friday. Although it is hard to disagree with that sentiment, the measures Obama favors cannot reasonably be expected to prevent such thankfully rare but nevertheless appalling outbursts of senseless violence.

After the massacre, press secretary Jay Carney reiterated Obama's support for reinstating the federal "assault weapon" ban that expired in 2004, and Sen. Dianne Feinstein, D-Calif., promised to introduce a bill aimed at doing so next month. But we know for sure that an "assault weapon" ban would not...