to be able to do that all you need is a mirror, any kind of mirror will do. Then all you have to do is click on the mirror and it will say something like "Improve Charisma" or something and that's the way you improve your charisma. However you need to have a certain amount of friends and to do that but it's quite easy.
Chat with our AI personalities
Read the books or practice speech in mirror.
A political career in the Sims 3 can be obtained by going to the City Hall. Your sims will need a high charisma level to get to the top of the political career latter.
No.
You have to find and greet the other crew members and then interact with them.
Basically it takes about 3 to 4 days depending on how much charisma you have. The charisma also affects how long the baby stays asleep. So, to be sure, when you decide to have a baby make sure you have at least 5 charisma (I speak from experience) Glad to help! Bye ^_^