This is a good piece: How bad is Bercow? – UnHerd.
Bercow is a controversial figure, and as you can guess, many think he is a bad thing. But the UnHerd piece looks back over numerous Speakers of the House of Commons and gives a kinder assessment. Given that we are going to be reading alot about the House due to Brexit, it might be a good time to become better aware of the man and the role.