Tulsi Gabbard, the director of US national intelligence, hoped to uncover evidence that Barack Obama and his national security team conspired to undermine Donald Trump in a slow-motion coup.

But if her crusade was aimed at proving that Obama embarked on a “treasonous conspiracy” to falsely show that Russia intervened in the 2016 presidential election to help Trump, Gabbard made a mistake. A previously classified annexe to a report by another special counsel, John Durham – appointed towards the end of Trump’s first presidency – has further undermined Gabbard’s case.

It was a quixotic enterprise from the start.

After all, the 2019 report from Robert Mueller, the original special counsel appointed to