COMEDY
11/14/2012 11:55 am ET | Updated Nov 15, 2012

Letterman's Stupid Pet Tricks Still The Best As Dog Pushes Other Dog (VIDEO)

America, meet Ruger and Rogue, two Australian cattle dogs who love to push each other around in a child's car.

They made their TV debut on "Late Show with David Letterman" during a Stupid Pet Tricks segment on Tuesday night. With some prodding from Linda Wright, they finally show off the best method of dog transportation we've ever seen.

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