Looking for a great summer movie? Take one part Girl with the Pearl Earring, one part Amazing Grace (the Wilberforce movie); one part Pride and Prejudice; stir in terrific writing and acting; serve in a Downton Abby setting and you have Belle—a rich and moving story of love, legal drama, and the fight to eradicate the plague of slavery.   Movies don't usually move me to tears but…the painting below provided a clue to a powerful story…   Girl with the Pearl Earring:  Like the movie/book inspired by Jan Vermeer’s alluring painting, this movie too is inspired by a painting. When Misan Sagay, a young, black British doctor and screenwriter,…