Harrison Ford may be closing in on his first starring role on television since The Star Wars Holiday Special. According to Variety, the actor is reportedly attached to star in an adaptation of the docuseries The Staircase, which detailed the trial of Michael Peterson, a man accused of killing his wife in 2001. Peterson claims his wife died after falling down their staircase, but prosecutors argued that he actually murdered her with a fireplace tool and staged her body to make it look like an accident. [caption id="attachment_723376" align="alignright" width="360"] Image via Warner Bros.[/caption] Ford is …