The Telegraph:

Tony Blair promised yesterday that he would stand down as Prime Minister "in the next few weeks". The announcement was a late attempt to avert a large protest vote against Labour in tomorrow's mid-term elections. He is planning to announce next Wednesday or Thursday that he is resigning as Labour leader. The decision should see Gordon Brown succeed him in Downing Street by July 2.

Bush's war, and Bush himself, will define Blair's legacy:

As the Prime Minister prepares to announce his resignation next week, the survey by CommunicateResearch reveals that 69 per cent of the British public believe he will be remembered most for the Iraq war. Remarkably, his next highest "legacy rating" - just 9 per cent - is for his relationship with the American President, George Bush. Four years after the US-led invasion, Iraq still dwarfs all other issues. Only 6 per cent of voters believe Mr Blair will be remembered most for the Northern Ireland peace process, which he will hail as an important part of his legacy when self-government is restored in the province a week today. - Belfast Telegraph

Unlike Bush, though, Blair retains the respect of a majority of his constituents: