New York Mayor Michael Bloomberg was once asked by NBC's David Gregory how much he was willing to spend to spread his vision for gun control to every corner of the nation.
"I think I have an obligation as an American and as a citizen, as a human being, to help others. Smoking is gonna kill a billion people this century. I put $600 million of my own money into trying to stop the tobacco companies ... That's one issue. Who knows with this?"
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