Is it medical leave ? If so we should be told about any conditions that are impacting his ability to lead the country.
Perhaps the media knows why and its one of those Blair family type secrets ? I have some more sympathy with this idea, and the lack of MSM interest in Brown's prolonged absence suggests they know and are keeping quiet. If so then Mr Brown its time to put your family first and resign. ( But a new leader will mean a general election in time for the Conservatives to stop Lisbon - oh I see.... )
Is he just Lazy ? Or crazy in a temporary sort of way they think might get better ?
Its another one of those obvious questions that just isn't getting asked by the MSM.