If there is an expansion after BtS (which there hopefully will be) wont they need new leader traits? Since there are 16 new leaders in BtS and 18 remaining combinations. Maybe some of these could be new traits for the expansion after BtS:
Traits
Ambitious
Less build time for Wonders.
Patriotic
Morale promotion to UU, double production speed of UB.
Militaristic
Double production speed for all military units.
Colonialistic
Settlers and naval units gain +1 movement bonus.
Religious
Double culture for religious buildings. (Monolith, Apostolical Palace, Monastery, Temple, [special religious building ie Mandir], [religious wonder, ie Church of Nativity].
Idealistic
Extra bonuses on civics (especially favored civic).
Cruel
Maybe some general bonus to build times.
Changed Leaders
Qin Shi Huang: Cruel/Ambitious
Mao Zedong: Cruel/Idealistic
Washington: Idealistic/Patriotic
Saladin: Patriotic/Religious
Elizabeth: Colonialistic/Financial
Montezuma: Aggressive/Religious
Hatshepsut: Creative/Religious
Genghis Khan: Aggressive/Militaristic
Kublai Khan: Militaristic/Creative
Isabella: Colonialistic/Religious
Stalin: Cruel/Industrious
Rameses: Religious/Industrious
Mehmed: Religious/Expansive
Brennus: Religious/Charismatic
Shaka: Militaristic/Expansive
Traits
Ambitious
Less build time for Wonders.
Patriotic
Morale promotion to UU, double production speed of UB.
Militaristic
Double production speed for all military units.
Colonialistic
Settlers and naval units gain +1 movement bonus.
Religious
Double culture for religious buildings. (Monolith, Apostolical Palace, Monastery, Temple, [special religious building ie Mandir], [religious wonder, ie Church of Nativity].
Idealistic
Extra bonuses on civics (especially favored civic).
Cruel
Maybe some general bonus to build times.
Changed Leaders
Qin Shi Huang: Cruel/Ambitious
Mao Zedong: Cruel/Idealistic
Washington: Idealistic/Patriotic
Saladin: Patriotic/Religious
Elizabeth: Colonialistic/Financial
Montezuma: Aggressive/Religious
Hatshepsut: Creative/Religious
Genghis Khan: Aggressive/Militaristic
Kublai Khan: Militaristic/Creative
Isabella: Colonialistic/Religious
Stalin: Cruel/Industrious
Rameses: Religious/Industrious
Mehmed: Religious/Expansive
Brennus: Religious/Charismatic
Shaka: Militaristic/Expansive