Corbyn was a leading part of Tony Benn's Labour Leadership campaign team. One of Benn's campaign promises was "out of the EU on day one". I think that's why h

Corbyn was a leading part of Tony Benn's Labour Leadership campaign team. One of Benn's campaign promises was "out of the EU on day one". I think that's why he was quiet on the subject during the Brexit campaign and took a lot of flak from the Remain camp for "not doing enough", i.e. he's Brexit ideologically but knows it is political suicide from his liberal backers.