Carson has solution for preventing Paris-Style attacks at campaign rallies

Republican presidential contender Ben Carson has a simple solution for preventing a Paris-Style attack at on of his campaign rallies: "If a bunch of terrorists came in here and there were people in here with guns, it would be very unlikely that they would be able to carry about the kind of massacre they did in Paris."

However there's a snag in that approach.

The demands of the secret service agents now protecting him don't allow any guns, except those carried by authorized personnel.

Political rallies where the secret service is assigned, are the "Gun-Free Zones" that both Carson and Donald Trump have explicitly called for ending.