A new production of Shakespeare’s “Othello” from London’s National Theatre will be screened at Guild Hall on Saturday at 7 p.m. Directed by Nicholas Hytner and starring Adrian Lester and Rory Kinnear, both Olivier Award-winning actors, the production transposes the action from 16th-century Venice to a contemporary military installation. Tickets to this encore presentation of National Theatre Live are $18, $16 for Guild Hall members.