Daily News: The flap over the city’s March 3 solar energy ballot measure, Measure B, while unfortunate and avoidable, should not obscure the merits of the proposal. After all, solar energy should not be a partisan issue since harnessing the sun’s power is in everyone’s best interest. What is needed is more of a realistic view of this energy source that has bedeviled mankind for centuries. First, it isn’t “free.” Second, it will always cost a little more, but it carries broader economic and …