Time for Knife Control

The LA Times reports that a knife wielding man attacked a group of schoolchildren, then killed himself. Knife-wielding man attacks schoolgirls in Japan, killing 2 We better enact knife control now before we become another Japan.  People who wish to purchase knives should be subject to a background check.  Also, there should be a "cooling off" period between the purchase of knives and the receiving of them.  Finally, the government should be empowered to seize knives without notice.