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The statements. new yorks mayor michael bloombergs gun control group is out with a new $250,000 television ad campaign. the ads are running in five states. take a look. >> 1999, the columbine school massacre. the killers got their guns because of a gap in the law called the gun show loophole. 2008, barack obama and john mccain support closing the gun show loophole. >> mayors against illegal guns launched the campaign to coincide with the 11th anniversary of the columbine massacre. joining me b...