Mitt Romney would be wise to take a good hard look at what Rick Santorum did right and what he did wrong during his campaign. In his quest to unseat President Obama, Romney will face some of the same challenges Santorum faced. Back in the summer of 2011, nobody thought Santorum had a shot at the Republican nomination. Nationally, he was polling at about 3 percent. But through sheer hard work and persistence, he won the Iowa caucus and was catapulted into the big time. There are many lessons to be learned from Santorum's political journey, beginning with having a...