How much you enjoy 'Gutenberg! The Musical!" likely depends on a combination of factors entirely unrelated to that German fellow: familiarity with the tropes it's skewering; your own level of disdain for such hackney execution; and your tolerance for Rannells and Gad's incessant mugging. In their first Broadway pairing since "The Book of Mormon" over a decade ago, Rannells and Gad are less a comic team than a comic r…
