"You sound familiar ... are you Howard Stern?"
In 1996, before YouTube videos of people rapping in drive-thru lines and pranks on fast food window attendants existed, David Letterman went to a local Taco Bell and took orders from the drive-thru in a very David Letterman kind of way.
You can't blame these folks for getting frustrated with him at times, but then again, it's all for the sake of good comedy, which is a principle Letterman seemed to adhere to religiously in his 33-year late-night career.
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