On Wednesday's CNN Newsroom with Carol Costello, in a pre-recorded interview with Jerusalem Mayor Mir Barkat that aired around 9:20 a.m. about a recent spate of Palestinians attacking Israelis with knives in public places, substitute anchor Ana Cabrera brought up her guest's tendency to carry a gun in public and absurdly asked him, "Does that not incite more violence?" The Jerusalem mayor incredulously asked, "Well, how could that incite more violence?" and then went on to praise the tendency of many Israelis who are trained ex-soldiers to carry their guns in public and use them to defend themselves and others...