According to the latest Quinnipiac poll, the two most popular and broadly acceptable candidates in the field are perhaps the most talented and most reliably conservative. Oh, and by the way, they are Hispanics in their 40s. If the race eventually has Rubio and Cruz among the finalists, or winnows down to a Rubio-Cruz fight, it will feature supremely skilled campaigners who are eloquent and sure-footed and represent the best next-generation politicians the party has to offer. A Cruz-Rubio race would play as the grass roots vs. the establishment, although Rubio in the establishment slot would be an enormous victory...