The A.V. Club visits the Star Wars costume exhibit and chats with C-3PO

It’s the world premiere of the “Rebel, Jedi, Princess, Queen: Star Wars And The Power Of Costume” exhibit, and the opening night party is at Seattle’s Experience Music Project museum. The Loop family (Jack, Lisa, and Ava) are first in line, waiting patiently since 6 p.m. so that 7-year-old Ava gets the best chance to…