Knife control next?

John Lott has written a persuasive answer to Bob Costas, who spoke out at halftime yesterday about what he saw as the need for gun control. Lott knows what he is writing about. Glenn Reynolds (Instapundit) posts this photo he saw on Facebook. Read Lott's arguments here: http://www.foxnews.com/opinion/2012/12/03/truth-about-costas-belcher-and-guns/