しかし、繰り返しになりますが、国境警備への対応は問題です。家の裏で火事が起きたようなもので、誰を玄関に入れるかを決める前に、まず消火する必要があります。
(But again, dealing with border security is an issue that—it's like having a fire in the back of your house that you need to put out first before you talk about who you're going to let in the front door.)