Costume designer Ann Roth, arguably one of the greatest of her craft still working in Hollywood, has costumed director Steven Spielberg’s latest The Post, and by the looks of this first trailer we are in for a muted treat: What we have are gentlemen sporting classic collar points with moderate spread, sometimes short sleeve (always with a chest pocket – a very American touch) and medium breadth neckties. The occasional kipper, but this 1971 is a very different world than, say, The Deuce (costume designer Anna Terrazas). The seventies may have ushered in increasingly wide flared trousers and oversized lapels but it’s doubtful we’ll see much of those in The…