With so many issues dividing our nation today, there’s vanishingly little common ground between those on the opposite ends of the political aisle.Ask any two politicians, for instance, to agree on a basic definition of male and female, and you may get two wildly varying, fundamentally irreconcilable answers. The same goes for defining the starting point for human life or any number of an endless list of quandaries that include immigration, crime, education, and foreign affairs.