Ellen Pompeo says ‘Grey’s’ Anatomy’ should be “less preachy.” The 52-year-old actress has played the leading role of Dr. Meredith Grey on the hit ABC medical drama since it began in 2005 but thinks that if the show is going to tackle issues they should be allowed to develop over time rather than being written into a single episode. She said: “I think if I had any desire, honestly, it would be to be less sort of preachy in one episode about certain things. It’s like, we do one episode about, let’s see … Asian hate crimes is one that we did this past season that was really moving. I think I’d li…