As part of a “year of improvement” portfolio at the network, NBC announced Saturday morning that it was developing a miniseries about Hillary Clinton. In the proposed series, Clinton would be played by Diane Lane, though the part of Bill has not yet been cast. And while no script is complete yet, NBC said it would air the series before Clinton’s likely 2016 presidential run got going. The series is one of four major projects announced by NBC—including a remake of Rosemary’s Baby—meant to up the network’s cache, with NBC Entertainment chief Bob Greenblatt that the they “need to be...