Republican plans to repeal and replace Obamacare completed their death spiral on Monday night. Two more Republican senators said they could not support legislation that would effectively deny insurance to more than 20 million people during the next decade.

While the Russia scandal dominates headlines and has critics crying treason or impeachment, the healthcare debacle could prove far more damaging to this White House and its ability to get things – anything – done.

It exposes two of Mr Trump’s most fundamental failings: a deep misconception about life in modern America and an inability to understand how Washington works.