There has been an overwhelming reaction to Friday's school shooting in Newtown, Connecticut.  Want to write a letter to the students, teacher and Sandy Hook community?  There is an effort online to send support to those dealing with this tragedy.

The US Postal Service has set up a special Post Office box for condolence mail:

Messages of Condolence for Newtown
PO Box 3700
Newtown, CT 06470

rogiro,flickr