...and not from shit-hole countries (then listed ones in Africa and S. America). He just made it easier for Ukranians to migrate here but has stopped providing asylum to those escaping domestic violence.
The caravan folks are intentionally going to legit border crossings and asking for asylum. Something a wall does nothing about.
Trumps own racist rhetoric is why he is accused of being racist. There are already walls/fences in numerous places. A border-wide wall is a waste of money. The only thing it accomplishes is Trump can say he fulfilled a campaign promise (which he won't be doing since Mexico isn't paying).