Don’t waste the military’s time at the border

The United States has a standing Army — as well as other service branches — to protect the interests of our nation overseas. To the extent its members have duties stateside, they are entirely to train for such missions.
For internal affairs that for some reason require a military presence beyond the ken of local police forces, we have the National Guard.
That’s why it was such a mistake — ethically, economically, perhaps legally — for President Trump to have sent so