Sisko. Kira is out of control in the first few episodes.
If your first officer is seriously contemplating betraying Starfleet to join an anti-Federation terrorist group, and you kinda know about it, and continue to leave her in command of all your personnel and equipment, you might be a lenient captain.
^ I don't see it as that at all. Sisko even says to Kira in "Past Prologue" "Go over my head again and I'll have yours on a platter