We all know the story of David killing Goliath, a story of unshakable faith in the Almighty God, that delivered an entire nation from the hands of the enemy.But what if we look deeper into the story of David, Saul & Samuel.What if I told you that David had to fight not only a physical threat but also a spiritual battle in the 13 years between his anointing by the prophet Samual and him stepping into the role as King of Israel?What if I told you that for 13 years his life was in constant d...