Norm MacDonald tweeted our favorite Robin Williams remembrance to date — theverge.com

If there's a common theme in the stories told by Robin Williams' friends in the wake of his tragic death yesterday, it's of his fundamental sweetness. Actor and comedian Norm MacDonald contributed a remembrance that may be the sweetest Williams story yet, involving a terrified MacDonald about to perform for David Letterman for the first time. Williams had never met MacDonald, and yet he stopped by his dressing room and improvised a bit for the ages. MacDonald recounted the tale on Twitter, and it follows in chronological order below.

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