From the TSA website:

TSA Week at a Glance, 12/14/09 to 12/21/09
* 21 passengers were arrested after investigations of suspicious behavior or fraudulent travel documents
* 37 firearms found at checkpoints
* 3 artfully concealed prohibited items found at checkpoints
* 37 incidents that involved a checkpoint closure, terminal evacuation or sterile area breach

… and a partridge in a pear treeeeeeeeeeeeee!