Dems control Congress, even when they are fewer than Republicans.
POTUS can only do what they can’t oppose.
I’m no expert but maybe leaning on Mexico is the best option. Any economic pain he can inflict on Mexico (and points south) without Congress blocking it, should be done immediately.
Mexico is facilitating an invasion of the US.
Yeah, I've been saying that for years.. Mexico is no friend of the U.S. I don't think it ever was...