Repeating one joke is plagarism, repeating many is research

How can you tell if a politician is lying?:

Answer: his lips are moving.

BWA-HAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHAHA
HAHAHAHAHAHAAHAHAHAAHAHAHAAHAHAAHAAHAAHAHAH

<DEEP BREATH>

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AHAHAHAHAHHAHA

Oh man, if she hadn't put the "Answer" part in front, I never would've realized that the thing following the set up was a punchline. PERFECT DELIVRY!