I also think the cartels' power is one of the top issues of great urgency of our day.
And let's not be fooled - most of the drugs don't come in from people bum rushing the border, it gets smuggled, but the thorny issue of cartels in general and how they strong arm people to be inolved with them who don't even want to be involved - it gets very tricky, how do you combat it? It's a terrible and huge problem. Simply sanctioning everyone involved with them is an oversimplification of what's actually happening. If a man comes to your avocado plantation and puts a knife to your daughter's throat, and has the power of the cartel backing him ... you're going to cooperate with him most likely, and sanctioning you does nothing to the problem except punish the innocent.
This is drastic and un-conservative I know, but in my real, honest opinion, the problem has to be solved by solving the consumption/black market aspect. Oregon's experiment with de-criminalizing small amounts of hard drugs may not have worked very well, but we have to start thinking along those lines and try different things regardless. I feel for the people in Mexico, Columbia, and elsewhere, who are in the middle of a BLOODBATH because of a problem we can't stem the flow of that starts with mostly Americans' appetite for drugs.