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

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

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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