Captain McBain wrote:
Whose betrayal was worse for A) their respective vessels; B) the Federation (the possible ramifications for the future)?
A) Ro Laren
Who'd win in a battle between the two on Deep Space Nine's Promenade? Each is equipped with a club. Odo, Q, and 9 Borg Drones are observing and placing their bets with Quark.
Seska was an entirely forgettable character. As evidenced by the fact that I've entirely forgotten about him (Her? It? Them?).
I remember Ro Laren. That makes her better in every way. Including betrayals.