  I review the deconfining phase transition in an SU(N) gauge theory without
quarks. After computing the interface tension between Z(N) degenerate vacua
deep in the deconfined phase, I follow Giovannangeli and Korthals Altes, and
suggest a new model for (discrete) Polyakov loop spins. Effective theories for
(continuous) Polyakov loop spins are constructed, including those with Z(N)
charge greater than one, and compared with Lattice data. About the deconfining
transition, the expectation values of Z(N) singlet fields (``quarkless
baryons'') may change markedly. Speculations include: a possible duality
between Polyakov loop and ordinary spins in four dimensions, and how Z(N)
bubbles might be guaranteed to have positive pressure.
