By Stephen Beale, National Catholic Register - To really assess the scandal of Protestant disunity, we must turn elsewhere. So, in the absence of an authoritative count, this author had to dig into actual lists of denominations and tally them up himself… One starting point is the Pew Research Center. For their 2015 report on changing religious affiliation they include an index of major Protestant denominations. But once you start going through it, it becomes clear the list needs some trimming.