'Independence Day' at 30: Roland Emmerich & Dean Devlin talk blowing up the White House and crafting a true sci-fi classic (interview)

Happy 30th birthday to "Independence Day," the sci-fi mega blockbuster that made Will Smith an instant Hollywood star, crushed the box office by becoming the fastest film to reach $100 million, and obliterated Washington, D.C, all in one fell swoop of pure popcorn movie entertainment.We often talk about certain works of art ushering in or being ushered in by, but "Independence Day" ("ID4") truly broke the mold for how huge tentpole pictures were marketed three decades ago, something that still r