Sam Miller is Miles Upshaw.
With his career and reputation ruined, Sam changes his name and leaves Chicago, reestablishing his career by becoming a war correspondent.There are certain similarities between the two: both are an Intrepid Reporter eager for the next big story and willing to go to great lengths for information, they both drive a Jeep Wrangler and both are of a similar physical build.
Boss is set in the same universe as House of Cards.
With similar subject matter and the same level of ruthless scheming by its characters, Boss could fit easily into the House of Cards universe but at a local city level as opposed to federal-level politics.