Welcome back, Congress. The 114th session is now in session. Freshmen, you’re just getting your legs under you as you learn the ropes. Veteran lawmakers, I know some of you are adjusting to the new Republican majority.
I figured now is as good time as any for all of you, regardless of party and tenure, to get a primer on our nation’s borders. Consider this a sort of back-to-school guide on the border. For some of you it’s a refresher, but for others it’s all new material.