American democracy is doomed - Vox: In a parliamentary system, deadlocks get resolved. A prime minister who lacks the backing of a parliamentary majority is replaced by a new one who has it. If no such majority can be found, a new election is held and the new parliament picks a leader. It can get a little messy for a period of weeks, but there's simply no possibility of a years-long spell in which the legislative and executive branches glare at each other unproductively.