The only thing more disappointing than most libertarian candidates for office are Republican and Democratic candidates for office. So my list of politicians I like and would be willing to actively support is pretty short, encompassing Arizona Senator Jeff Flake and I am not sure who else (I had been moderately comfortable with my the House Representative John Shadeg, but his retirement has led to his replacement by Ben Quayle -- yes, of that Quayle family -- of whom I am pretty skeptical.)
A while back at a Reason Foundation cocktail party I met former NM governor Gary Johnson. I liked what I saw of him there, and I still like him as I have learned more about him. Check out this profile in the New Republic.