New Delhi, May 5 -- Senior Congress leader Rahul Gandhi has said he is "more than happy" to take responsibility for a lot of the "mistakes" his party made when he was not there, in a response, to a pointed question about the 1984 riots, that triggered a political controversy on Sunday. Gandhi's remarks, made during an interaction session at the Watson Institute for International and Public Affairs at Brown University in the US on April 21, were shared on the institute's YouTube channel on Saturday. During the session, a Sikh student asked a question as to what attempts Gandhi was making to reconcile with the Sikh community and referred to the 1984 Sikh riots in his lengthy poser. The student also referred to Gandhi's remark during an earlie...