Also due to Worf's previous actions (destroying an unmanned civilian transport and then sacrificing a mission for Jadzia) Sisko pretty much told him that he doubted Worf would ever get his own command.
I would love to see an established UFP species getting the centre seat: Andorian, Bolian, Trill, Vulcan.
Commander Austin Harris, First Officer, Deep Space Nine (by FltCpt. Bossco)
8.01 - Darkest Before Dawn
(Chapter 8 added, 12/09/2015)