An article published in the Wall Street Journal on Saturday reported that while the number of homicides has decreased over the last decade (2001-2011) due to improvements in medical technology, the number of people treated for gunshot wounds increased by almost half. Here is an excerpt from the WSJ article: After a steady decline through the 1990s, the annual number of homicides zigzagged before resuming a decline in 2007, falling from 16,929 that year to an estimated 14,722 in 2010, according to FBI crime data. At the same time, medical data and other surveys in the U.S. show a rising...