Does America even need a wall for the Mexico-US Border?
I don't think it does. I think it just needs the will to enforce the fucking border.
I have thought for a long-ass time and discussed with some knowledgeable people the vulnerabilities in the Canada-US border.
Guess what? It's really fucking hard to cross. The part that is all land is a 1 KM clear-cut stretch with drones, vibration sensors, patrols, spy satellites, checkpoints everywhere a road crosses through, usually an unbroken line of sight except in a few areas, and they also have regular Canadians enforcing the border too, and they use psychics too to hunt people sometimes. I thought this would be the easiest and most obvious way to cross but it's not. There are ways to defeat these various measures put in place to get across but you have to be very physically fit, intelligent, and well equipped and trained for the job. You'd probably need to have at least a few thousand dollars to dedicate to the endeavor and at that point you'd probably be able to come in legally anyways unless you're someone with a criminal record. Your average retard shitposter isn't going to make it through this way.
Where the bridges are, you could swim across; in theory. In reality there's extremely strong currents that will pull you along, hundreds of boats that will tear you up and kill you, and whirlpools that will suck you under even if you have a lifejacket on. So don't try swimming across unless you're some kind of hardcore swimmer god and even then you'd be playing a hardcore real life version of frogger.
If you had a canoe or kayak your chances would be better but I wouldn't cross right through that straight, I'd sail out onto the great lake on a calm day, and get across that way. Ideally you'd probably want a small motor boat, some fishing equipment and bucket for the fish, and you should spend some time actually fishing out there; then just go to Canada and make sure you have at least a couple hundred Canadian on you to get to where you want to go in Canada. This I think, unless anyone wants to raise any objections, is the easier way to get into Canada without going through the border guys.
If you want to go through a checkpoint then you have to convince them you're only going over for a few days, you have to be dressed and look like you have reasons to return to your country, and you'd probably want to be part of some club (sports, ham radio, whatever) that will take you across. You could get across this way no problem but then you'd have a few days before they begin to search for you, hunt you down, and return you to America.
Another method would be to go full Derren Brown on the border guards and just walk right through like it was nothing but again if you're intelligent enough to do that you can get through legally.
I don't think it matters if a wall is put along the US-Mexico Border so much. They will tunnel under it just as easily as you could take a motor boat across the great lakes OR they will go through the true main vulnerability, the same one that makes every computer system vulnerable; the people/users. Incompetent or corrupt border guards will just let people through.
If Trump utilizes white nationalists to patrol the border, people who are ideologically motivated to kill the fucking spics and do everything to prevent them coming through, they will have to come in legally then and kill us all off via mass legal immigration.
A wall would be pretty much symbolic. If it is built, it should be like in Israel, with huge concrete walls, electrified fences, barb wire, landmines, drones, and lots of patrols… and some way to stop those fucking spics from tunneling through.