By Frank Barry / Bloomberg Opinion What does it mean to be an American? That question lies at the heart of a debate between Vivek Ramaswamy and Vice President J.D. Vance that will help determine the future of the Republican Party. The run-up to the country’s semiquincentennial is the perfect time to hold the debate, but it also presents an enormous problem for Vance; the Founders were on Ramaswamy’s side. In a recent speech and op-ed, Ramaswamy, who is running for governor of Ohio, argued that American identity centers on shared ideals, particularly freedom and meritocracy. He took direct aim...