BUT NOBODY’S LAUGHING WHEN THEY CHECK OUT JASON COHEN’S DELOREAN, WHICH IS COMPLETELY DECKED OUT TO BE A TIME MACHINE. YOU DID ALL OF THIS FOR YOUR SON? YES, YES, MY SON WAS FIVE WHEN I BOUGHT ...

A retrofitted DeLorean time machine is the signature stage effect in “Back to the Future.” The touring show is running (more efficiently than an original DeLorean) through Nov. 3 at the Smith ...