On paper, there is no Canadian PM. The Constitution reads: "The Executive Government and Authority of and over Canada is hereby declared to continue and be vested in the Queen." The existence of a Prime Minister and the fact executive powers are delegated to them are customary.

A Trump-like actor in Canada would do far less damage than in USA. There is no position they could held that would give them the power to do lot of damage. The Queen (nowaday King) has no power. If they tried to use it's constitutional powers as written they would be laughed out. The Governor General, who may act on behalf of the Queen would be laughed out too if they tried to take any decision. The Prime Minister seems all powerful but they are one motion from the House of Common from being overthrown. When one's become POTUS, they are basically POTUS until the end of their term. The exception is impeachment which is a very complicated process that never worked. In Canada, the House of Common can simply vote the Prime Minister out. The Prime Minister is very powerful, I agree, but only as long as they behave.

▲

bluegatty 4 hours ago | parent [-]

"are one motion from the House of Common from being overthrown." - so this is a form of political constraint, which we can see in the US doesn't work very well if the ruling party wants to ignore concerns and acts at the behest of the Executive.

If the PM holds enough popular support and has even a narrow majority that he can effectively whip, he's almost above reproach.

Everything at the top in Canada is 'convention' even the Constitution and there's barely any real constraint at someone driving a truck through all of it.

	▲	XorNot 2 hours ago \| parent [-]
		Yes but that's marginal because support is entirely contingent on whether the legislative branch members believe that support won't get them voted out. The US executive is very different because it's an independent election: it's almost impossible to get rid of a President, and relatively easy to deflect blame. Australia's round of axing prime ministers had some essential logic to it despite the move being relatively unpopular with the electorate: it wasn't about whether the party would lose power, it was about whether replacing the prime minister would let them retain seats they faced otherwise losing. It's a mammoth difference when the election for executive power and legislative power are linked and it shows.