Every day someone had to drive Annemarie DesLaurias into the city from Topeka, but the young actress made theatergoers grateful for every turnpike toll. In The Coterie's Really Rosie, she took the archetypal role of the lead female's best friend -- think Eve Arden or, lately, Janeane Garafolo -- and made it totally original. And she's 13 years old.
