So how are we supposed to know that a candidate for U.S. president meets all the qualifications laid out by the Constitution? Do we leave it in the hands of the verbal free-for-all that passes as a debate over whether President Barack Obama actually was born in America? Or will Congress create an official path for presidential and congressional candidates to prove their qualifications? For all the sneering denunciations heaped on the "birthers" -- those who feel compelled to prove that Obama wasn't born in the United States and thus is not eligible to be president -- no one, it...