Actually, more consuls and faster processing wouldn't go very far at all.
The need is for people outside of the country is more visas. In my opinion, more visas for people seeking refugee status would be the most important. Legal refugees are getting shut out by people who insist they are "anti-illegal-immigrant".
And there are lots of policies that hurt legal immigrants currently in the country. A friend of mine is a legal immigrant who can't get his wife a work permit.
For the record, I don't see you as a big Trump supporter (but in this thread, you have willingly walked into the role