NFL Steep Learning Curve for Harbaugh, 49ers Frank Doyle Last Updated: July 15, 2011 Frank Doyle thinks rookie head coach Jim Harbaugh will face a baptism of fire in San Francisco. After the Mike Singletary era ended in tears for all concerned, Jim Harbaugh was named 18th head coach and given the mantle of the Next Savior of the San Francisco 49ers. It was never going to be easy...