Yahoo exec Brad Garlinghouse--famous for his controversial "Peanut Butter Manifesto" that correctly chided the Internet giant for becoming so lugubrious several years ago--is taking a very similar job at AOL to the one he left at Yahoo last year.Garlinghouse, who will remain on the West coast, will be named president of Internet and mobile communications at AOL, putting him in charge of the New York-based Time Warner online unit's powerful email and instant messaging properties, including ICQ and AIM.He will also be, said AOL CEO Tim Armstong, its "CEO of Silicon Valley for us."