PM David Cameron (pictured leaving 10 Downing Street) has said he would not bid for a third term For many of the greatest leaders in our history, one word was simply beyond them. From Gladstone and Churchill to Thatcher and Blair, they could not bring themselves to say goodbye. So by historical standards, David Cameron’s revelation that, if the voters send him back to Downing Street in May, he will step down after five years and allow somebody else to lead the Conservatives into the 2020 election, counts as a genuine bombshell. For some time, this has been predicted in Westminster. But nobody expected him to say so publicly, and certainly nobody thought he would do it on the brink of one of the tightest and most unpredictable election campaigns in history.David Cameron said he would not bid for a third term if he wins electionThe PM said two terms were 'wonderful' but three 'might just be too many'If re-elected in May, he will serve a full five years but then quit Number 10
_, for example, famously led her party into a third general election in 1987 with a promise that she would go ‘on and on’ – a remark that delighted her admirers and horrified her critics.