We can be civil to each other, and we can try to express ourselves acknowledging that we're all patriots, we're all Americans, and not assume the absolute worst in people's motives.
Here at home, we will strengthen our defenses but 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.