The characteristics of gun violence in the U.S. are largely unknown because key federal health agencies have been banned from conducting such research since the mid-1990s.
You may have heard about 3-D printing, a technological phenomenon that uses a robotic arm to build objects one layer at a time. As people get imaginative and create items in a one-stop-shop fashion, one more creation has been added to the printing line: gun parts.
On the West Side of Manhattan, behind large glass windows, a dozen 3-D printers build plastic toys and jewelry. Hilary Brosnihan, a manager at 3DEA, an events company that sponsored a print pop-up store, says things are moving rapidly.
Now, on the same as that funeral, President Obama continued his push for tougher gun laws. He was talking yesterday in Minneapolis on a subject he is expected to address in next week's State of the Union speech.