Will Opposition vote 'no confidence' in Mallard as Speaker?

It's been more tense than usual in Parliament over the past week, with an escalating dispute between National Party MPs and the Speaker of the House, Trevor Mallard. On Thursday Mr Mallard ordered National's deputy leader Paula Bennett from the House after a series of confrontations with members of the Opposition. What is expected to happen? Guyon Espiner talks to RNZ deputy political editor Chris Bramwell.