as an after thought
we in the UK don't have a set limit on how long a PM can stay , and they can also get kick out and a couple of years later come back
it happedn with
Winston Churchill, and going back (wayyyyyyyyyy back ) to the Duke of Wellington when he was PM , made to resign and then a couple fo years later he was asked to form a goverment (please note he was asked) - he declined this , but he could of been PM again
not sure how many times that this has happened -
We don't vote the leader in - Margrate THatcher ousted out the old PM - forget his name - however this was all done by the party with the most votes , they can change there leader
the goverment can be over throw by a vote of no confidence - this would mean that parliment would have a vote (on anything) and if the goverment lost then a general election would follow - sounds daft , but this is how it works
now occasionaly and the gulf war was one of these occasion, a vote of confidence was raise and all of the goverment MP's have to follow the Goverments lead , those who don't get a real hard time - they don't get offered places int e Goverement - where they made a voice for good - or they are experts in a choosen area - but they will be moved out of it or not get the position - the usual policitcs
very few polictians will stand up and be counted when this happens
a good one was Mo Molen (typo) and she was a Labour MP (I don't vote labour) - but had she been my MP , i would of no nonsense, ask her a question and you got a straight answer, brilliant women - however she became too popular and out can the daggers , she wcould talk the talk and walk the walk , brilliant MP, sadly no longer with us.
I ramble