Gun Violence

01.04.13 5:08 PM ET

(Photo) President Obama's First Reaction to Newtown

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.