More than mathematics

By NANCY REDDY

Proof

Byham Theatre

Through May 26

(412) 456-6666

The…

Proof

Byham Theatre

Through May 26

(412) 456-6666

The Mellon Pittsburgh Broadway Series is a tricky proposition: Take a successful Broadway show, change the cast, modify the set and put the show on the road. The result can be disastrous. Complex shows with elaborate sets often fall flat on tour, as evidenced by the lackluster December performance of