God described David as a man after His own heart. But David, like us, was still a human being with human faults; and the faults of the leader of a nation can cause serious problems for many other people.
While the army and the king cowered in fear before Goliath, that seemingly unbeatable threat to their freedom, David demonstrated real courage and answered the giant’s challenge.
It is easy for us to be concerned about our political freedom, the right to do what we want to do when we want to do it without government interference.