'Tenet' is a time-bending spy thriller that makes the audience work hard

"Does your head hurt yet?"

Robert Pattinson could have asked this question at the five-minute mark of Tenet, rather than when he does at about three-quarters in, and it would still be a welcome check-in.

Christopher Nolan’s long-awaited espionage thriller Tenet makes the audience work hard. It’s a detective role we’ve...