User blog comment:UglyTurtle/Justice League of Equestria RolePlay Blog Part II/@comment-4202158-20141116061727/@comment-4202158-20141116062415

(Now that she has assumed the throne, her primary goal is to defend the citizens of Canterlot, and to a broader extent, all the citizens of Equestria. If she devotes resources to finding Luna, then there will be less resources to defend Canterlot, and a higher risk of another full scale war between the Ponies and the Changlings. Luna also offered herself to as a peace prize.)