Somewhere beyond the sea: Jonathan Groff in Just in Time. Photo: Matthew Murphy It’s easy for a show to lose its sense of purpose somewhere along the way to Broadway: The director lost whatever artistic impulse they had at the start, the producers hedged their bets on its commercial prospects, the original star left for a television gig, and what finally premiered is something half-baked and compromised, the kind of thing that leaves you sitting there in the audience wondering why any of this