Most people feel a little guilty after walking past a homeless person. But a precious few have the sudden urge to drench the bum with alcohol:
"The deputy leader of the German state of Bremen resigned after pouring sparkling wine over the head of a homeless man in an apparent joke that went wrong."
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The best begging sign I ever saw on the streets of New York - "Tell Me Off for $2". Man, I sure gave him a piece of my mind :) And a lot cheaper than therapy.