Like most episodes of Agents of S.H.I.E.L.D., “The Hub” does a few things right and a few things poorly. Some of those things… Good: The series beginning to treat S.H.I.E.L.D. as an organisation worthy of scepticism rather than filled with unquestioned goodies. The titular hub was a timely reminder that S.H.I.E.L.D. is a large, pseudo-military…