Barack Obama: “Here at home, we will strengthen our defenses, but we will not succumb to a siege mentality that sacrifices the open…”

“Here at home, we will strengthen our defenses, but we will not succumb to a siege mentality that sacrifices the open society and liberties and values that we cherish as Americans, because great and proud nations don't hunker down and hide behind walls of suspicion and mistrust. That is exactly what our adversaries want. And so long as I am president, we will never hand them that victory.”