In, 1 Samuel, starting in Chapter 8, we read where the Israelites wanted a king "like the other nations." Samuel was against it, as was the Lord, but the Lord to Samuel to heed the word of the people. The Lord goes on to tell Samuel, and Samuel the people, exactly how a king would treat them, taking their wealth and family members for his own personal use. Still, the people wanted a king like the other nations to lead them into battle. Obviously this was a move to become less dependent on the Lord. So the Lord picked Saul as King and Samuel annoited him. There is also almost an entire chapter detailing God setting up circumstances to bring about the first meeting between Saul and Samuel. Almost from the start, Saul made made mistake after mistake in obeying the Lord, until finally, the Lord in essence told him it was over, and he lost his office and his life. I have always wondered, if after God warned the people what their first king would be like, if there was anything Saul could have done differently?