This is one of the most difficult posts I have ever had to write. I had naively hoped that this election cycle, I would be treated to a substantive contest between a spate of highly accomplished two-term conservative governors, and Senators of great rhetorical skill acting as the ideological conscience of the bunch. As the primary wore on through the summer of 2015, it became clear that the GOP electorate was not interested in governors of accomplishment, but I still had hope for a final contest between two of my favorite Senators: Ted Cruz and Marco Rubio. I hoped to...