A more historical testimony:
“Reno proved incompetent and Benteen showed his indifference I will not use the uglier words that have often been in my mind. Both failed Custer and he had to fight it alone.”
Private William Taylor, 7th cavalry (M), February 20 1910
http://www.youtube.com/watch?v=d6tFXzvKJTc
http://www.youtube.com/watch?v=DKeTsG2JpQA