Enlarge this image Tim Hatley's sketch shows the musical's DeLorean on stage. Tim Hatley/Back to the Future: The Musical hide caption toggle caption Tim Hatley/Back to the Future: The Musical Tim Hatley's sketch shows the musical's DeLorean on stage. Tim Hatley/Back to the Future: The Musical After a recent matinee of Back to the Future: The Musical, dozens of families poured out onto Broadway. One of them, the Angelos, had traveled from Sugar Loaf, Penn. to see the show. "It was amazing," said 8-year-old Lula. "And the car? I can't even speak about it. It went upside down!!" That's right. It flips upside down . . . because the DeLorean flies. Into the audience. "I think the most important rule we gave to ourselves is the car is the star." said Finn Ross, the show's video designer. Enlarge this image Casey Likes is Marty McFly in the stage adaptation of "Back to the Future." Matthew Murphy and Evan Zimmerman/Back to the Future hide caption toggle caption Matthew Murphy and Evan Zimmerm...