What did Donald Trump do today?

He stressed the need for a see-through border wall with Mexico because an opaque wall would put Americans at risk of being hit by 60-pound bags of drugs.

The official White House transcript of Trump's conversation with reporters early this morning (Paris time) aboard Air Force One en route to France contains these remarks about his proposed border wall.

One of the things with the wall is you need transparency. You have to be able to see through it. In other words, if you can’t see through that wall -- so it could be a steel wall with openings, but you have to have openings because you have to see what’s on the other side of the wall. And I’ll give you an example.

As horrible as it sounds, when they throw the large sacks of drugs over, and if you have people on the other side of the wall, you don’t see them -- they hit you on the head with 60 pounds of stuff? It’s over. As cray [sic] as that sounds, you need transparency through that wall. But we have some incredible designs.

Nothing even remotely like this has ever happened anywhere.

What's the matter with this?

• This sounds "cray" because it is "cray."