Leadership is no longer a feat as we are following the rules listed in Ultimate Charisma.
They possess the following array : 15, 14, 13, 12, 10, 8
The following feat is now a perk and can be taken more then once :
The following feats can still be taken
Prerequisite: Character level 6th, Knowledge (appropriate to identify creature) 1 rank.
Benefit: You attract followers and a cohort as if you had taken the Leadership feat. Your leadership score is treated as 2 higher than it otherwise would be for the purposes of attracting monstrous followers and treated as 2 lower than it otherwise would be for the purposes of attracting normal followers.
Beast (Cohort is a Magical Beast; Followers are animals).
Undead (Cohort and followers are skeletons, they can be more powerful at the GM’s Discretion).
Outsider (Appropriate subtype for cohort and followers) – You can choose an alignment subtype.
All other creature types are choosable and follow the same path concerning Monstrous Humanoids, and other Humanoid races, Dragons, Plants