St. Martin's Press We may receive an affiliate commission from anything you buy from this article. "We are more than a government," writes New Jersey Senator Cory Booker. "We are a nation, a people bound by shared bedrock virtues."In his new book, "Stand" (to be published March 24 by St. Martin's Press), Booker tells us that, at a time when America is splintered in many areas of public life, virtue is a strategy that can awaken our sense of common cause.Read the introduction below, and don't miss Faith Salie's interview with Cory Booker on "CBS Sunday Morning" March 22!"Stand" by Cory Booker $25 at Amazon Prefer to listen? Audible has a 30-day free trial available right now. Try Audible for free IntroductionThis book is about virtue.I know how that might sound—lofty, abstract, even detached from the crises we face. Our nation is fractured. In our communities, and even in our families, tribalism drives us not merely to disagree with but to despise one another. Politics has become an obsession with enemies.…