This copy is for your personal, non-commercial use only. To order presentation-ready copies for distribution to colleagues, clients or customers, or to license text, images or graphics, use the Reprints tool at the top of any article or visit: Reprints

(Photo) President Obama's First Reaction to Newtown

by Justin Green | January 4, 2013 12:08 PM EST

file — The President reacts as John Brennan briefs him on the details of the shootings at Sandy Hook Elementary School in Newtown, Conn. The President later said during a TV interview that this was the worst day of his Presidency." (Official White House Photo by Pete Souza)

Souza's entire gallery can be seen here.