Tegan and Sara Wear Hangdog Expressions in Their '100x' Video

After dropping videos for singles "Boyfriend" and "U-Turn," Tegan and Sara have shared another clip from their forthcoming album, Love You to Death. This one is for "100x," a substantially slower ballad with a Jess Rona-directed video featuring a bunch of adorable, sweetly sad-looking dogs. The twins also make brief appearances, sitting side by side…