video 2_enough is enoughism: https://drive.google.com/file/d/0B_Nb3d84W0THcmJmbTE2cGN0X00/edit?usp=sharing
video 3_enoughness-enoughism: https://drive.google.com/file/d/0B_Nb3d84W0THSkV5eFZhWHp3RUU/edit?usp=sharing
video 4_Pete Seeger 1: http://abcnews.go.com/Entertainment/wireStory/folk-singer-activist-pete-seeger-dies-ny-22259978
video 5_Pete Seeger 2: http://www.youtube.com/watch?v=HsuUSgOR55c
articles about Pete Seeger:
http://abcnews.go.com/Entertainment/folk-singer-activist-pete-seeger-dead-94/story?id=22260237
http://edition.cnn.com/2014/01/28/showbiz/pete-seeger-death/
♪ If I had a hammer ♫
http://youtu.be/qXBbIZlokB4
http://youtu.be/nTQ3421geKw
http://youtu.be/rBUPr8oDRL8
Photocopy from 28th January: https://drive.google.com/file/d/0B_Nb3d84W0THT3VBSDBZRzNMQ2c/edit?usp=sharing