Because he never pays his debts.
or
Well, first let's talk about the concept behind this whole "light bulb" thing.
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The police had to comb the area.
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At the baa-baa shop.
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It's not a bulb, it's a globe.
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No, but hum a few bars and I'll fake it.
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By paying them to cheer for him during campaign events.
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One is really heavy, the other is a little lighter.
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None. Real Men aren't afraid of the dark.
or