text:  Who says they're not credible? Well, I'm glad you asked because, you know, often the way this issue plays out in the media is we say, oh, well, Republicans say X and Democrats counter with Y. But in fact, if you talk to career officials at Border Patrol, Customs and Border Protection, ICE, what you hear a lot of them say is that the things Republicans are proposing are not workable. They're impractical. Like what?