With the NFL draft over and the offseason programs in full swing, let's look at the three biggest questions facing the San Francisco 49ers:Kaepernick/Harbaugh contracts: These have been questions all offseason and they linger. Quarterback Colin Kaepernick is entering the final year of his contract, while coach Jim Harbaugh has two years remaining. There is a chance both can get done before training camp, yet there is also a solid chance both go through the season without a deal.