Original sentence: All roles for Grey's Anatomy are cast without the characters' race being prespecified, in keeping with creator Shonda Rhimes' vision of diversity.The show's producers pride themselves on the fact that they used a "blind-casting" technique, resulting in a racially diverse cast
Edited sentence: According to the 2002 census, there are 8.6% physicians are Asian Americans, only 2.4% physicians are African American.Because most of the time, Asian actors are only given roles of nurses, medical students, etc; even though there are large amount of Asian physicians in the US.Cristina Yang was in love with a black doctor in this show, this kind of Asian-Black love relationship is quite rare in any TV shows or movies, even in the year of 2007.For example, NBC's TV series ER which started in 1994, it has hired many Caucasian and Black actors.Further, the Asian female doctor - Dr.In the year of 2007, ER has never had any Asian male actors as doctors.The only Asian female actor Ming-na only lasted for a short time.The show's producers pride themselves on the fact that they used a "blind-casting" technique,  resulting in a racially diverse cast.This show has one Asian female actor - Sandra Oh, as a physician which is considered to be quite a change