Democrats were just as opposed to his heresy as Republicans. Indeed, despite the wreckage of George W. Bush's invasions of Afghanistan and Iraq that Obama's administration inherited when it took office in early 2009, his own first secretary of state, Hillary Clinton, was a classic interventionist.
After she left office in 2013, Clinton told Goldberg that "the failure to build up a credible fighting force of the people who were the originators of the protests against Assad ... left a big vacuum, which the jhadists have now filled". But Hillary Clinton actually got her way on Syria.
The real failure of American policy on Syria in 2011 was the tolerance extended to Turkish, Qatari and Saudi Arabian shipments of arms and money that were intended to subvert the faltering non-violent revolution and replace it with an armed revolt whose goal was a Sunni Islamic state, not a secular democracy.
Obama and Clinton must share the blame for the fact that the US became part of this operation in early 2012, providing arms it sourced from Libya to avoid Congressional oversight. By then the non-violent protests had been largely suppressed and Syria was stumbling into a civil war - which subsequently killed 300,000 people and turned half the country's population into refugees.
Most Syrians would now agree that it would have been better to accept the failure of the non-violent movement and the continued rule of the execrable Assad regime than to see their country virtually destroyed. I suspect that Obama sees Clinton's Syrian policy, in hindsight, as the greatest mistake of his time in office - but he did partially redeem himself by refusing to bomb Syria during the "poison gas" episode of 2014.
Clinton also told Goldberg in 2014 that "great nations need organising principles, and 'Don't do stupid stuff' is not an organising principle". Nobody said it was, but it is a good guide when deciding on actual policies, and Obama has been pretty consistent in observing it, even with regard to the Middle East.
His fundamental insight - and his greatest break with the orthodoxy of the American foreign policy establishment - has been to understand that very little that happens or could happen in the Middle East is a threat to America's vital interests. Even Israel's well-being is only a sentimental consideration for the United States, not a strategic one, although like all American politicians he is obliged to pretend otherwise.
Only if the Islamist extremists of the Nusra Front and Islamic State were to overrun all of Syria would Israel be in any danger, and the Russian military intervention in support of Assad's regime since last September has largely eliminated that possibility. So Obama has been free to concentrate on the issues that he thinks are really important, and that is where he has made real progress.
His foreign policy has been minimalist only with regard to the traditional "strategic" concerns inherited from the Cold War and America's long, deep and mostly futile engagement with the Middle East. In his "pivot" to Asia, in re-establishing ties with Cuba, on climate change (which he rightly sees as the crucial issue for the next generation and beyond), he has been an activist in his foreign policy, and a largely successful one.
Neither Hillary Clinton nor Donald Trump, the two main contenders for the succession, will be a patch on him.
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Gwynne Dyer is an independent journalist whose articles are published in 45 countries.
