PMQs: Cameron says Corbyn as PM is 'laughable' Labour chief Jeremy Corbyn inquisitive about the federal government's response to flooding in northern England and Scotland over the Christmas period during PMQs. David Cameron defended his record, announcing he used to be spending extra on flood defenses than previous governments. He went on to assert that the inspiration of Mr Corbyn responding faster was once 'laughable' given the time it had taken to reshuffle his shadow cabinet.