While he declined to provide specifics, Mr. Obama repeated his stance that he believes that stronger background checks, tighter control of high-capacity ammunition clips and an assault weapons ban are all proposals that make sense. 尽管奥巴马拒绝提供细节,但他重申,他相信更严格的背景调查、加紧控制大容量弹匣并禁止攻击性武器都是合理的提议。