It’s not quite Bobby Axelrod’s spread in “Billions,” but it’ll have to do. Andrew Ross Sorkin, co-creator of the hit Showtime series and author of “Too Big to Fail,” plunked down $4.25 million for a co-op on the Upper West Side, property records filed with the city Thursday show. Sorkin and his wife, Pilar Queen Sorkin, bought a sixth-floor unit at 161 West 86th Street. Further details on the pad weren’t available on StreetEasy. Sorkin was … [more]