They were all over that person attacking them, trying to score points off their family tragedy. This is their idea of winning the hearts and minds of the undecided.
Actually, I don't.
I love the blue-Libertarian candidate, the spitting-Libertarian candidate, the free-state project, and the "lets use letters of marque and reprisal to get Osama Bin Laden" crowd. The Libertarians are so cute when they're being snobby.
But using a man's individual crisis to push their recreational drug agenda is really low.