` So a couple of knuckleheads should n't detract from what they do , but what these guys were thinking , I do n't know , '' Obama said . 11 Secret Service agents are out or leaving over the prostitution scandal . Military officials will brief senators this week on the controversy . Democrats Sen. Obama calls for further investigation of Secret Service staff . President Grassley refers to Secret Service agents involved as `` knuckleheads ''
11 Secret Service agents are out or leaving over the prostitution scandal . Military officials will brief senators this week on the controversy . Democrats Sen. Obama calls for further investigation of Secret Service staff . President Grassley refers to Secret Service agents involved as `` knuckleheads ''