You could be forgiven for getting halfway through The House and be ready for walking out the door. But if you weather the initial shitstorm of writer/director Andrew Jay Cohen’s (Bad Neighbours) latest slapstick/screwball comedy, then it might well pay off for you. The filmmaker has somehow managed to make a film of two, glaringly different halves, as there are some big laughs to be had when the absurdity ratchets up in the last 45 minutes and the comedic violence takes over from the ‘jokes’. Will Ferrell (Anchorman) and Amy Poehler (Parks and Recreation) play a married couple in a well-to-do suburban estate in the US. After an ill-advised…