Mt. Diabo High School English teacher Daniel Reynolds talks to his Concord, Calif,., class on Friday, Jan. 28, 2011, about making posters to put up in district cafeterias making other students and the district aware of the use of slavery in the making of chocolate. He is piloting a human rights class at Mt. Diablo High School and raising awareness about worldwide human rights violations.Reynolds also teaches students in his English classes to condense their writing by encouraging them to tweet the scenes from Hamlet. (Dan Rosenstrauch/Staff)