Liz Truss out as UK prime minister after only 44 days, the shortest on record since the first prime minister in 1721. The ability to kick out the head of government at will depends on calm, unflappable people. Rapid change causes political and economic instability. But we’re stuck with an incompetent leader for 4 years. This also can cause political and .economic instability, as we now see. Perhaps a compromise system is possible.