In times to come political historians may well reflect that yesterday, 12 April 2005, was a watershed moment in British politics.

Early on in the day Robin Cook in the Standard reflected that if Labour were returned then Tony Blair's departure might be 'sooner rather than later'.

Robin Cook wrote, "the past week has seen a decisive shift in the balance of power between them [Blair and Brown]."

Indeed, in Labour's election campaign thus far Gordon Brown has been prominent and since the election's announcement it has been hard to prise Blair and Brown apart.

Some Labour candidates including standing MPs appeared to be campaigning on the basis that a vote for Labour was a vote for Gordon Brown as Prime Minister.

Tony Blair, who had previously been such a campaign asset to New Labour, was now, it appears, more of a liability in the eyes of many Labour supporters.

What may be deemed just as significant on reflection, but has so far gained little or no attention, is that this week Time Magazine published a special issue featuring "The Time 100: The lives and ideas of the world's most influential people."

Gordon Brown was in the 100, listed under 'leaders and revolutionaries' but Time did not include Tony Blair. The piece on Brown was written by Bob Geldof, who wrote of "He [Gordon Brown] and Prime Minister Tony Blair" and "Brown and Blair."

It could be that we are seeing the last days of Blair and Brown.