I remembered wrong....it’s the US Constitution that comes into play, with the states, during an invasion....not the TX Constitution.
It was bothering me, so I did a little digging....
https://freerepublic.com/focus/bloggers/4076309/posts?page=19#19
I believe I’ve heard Kari Lake say that’s what needs to be done, declare an invasion.
I need to quit watching Movies about near airplane crashes so I can get to sleep.