Marc MacSharry (Fianna Fail) | Oireachtas source

Are there examples throughout the world where, following a general election, alternates are run with candidates and when parliament elects the government that the government of the day steps outside parliament and is replaced by alternates, thus having to sell their policy to the parliament, even their former party colleagues, so to speak? Are there examples of that and, if so, can Professor Farrell outline them?