Victor Davis Hanson devotes his latest National Review Online column to President Obama’s top mistakes in Middle Eastern policy.

Fracking and horizontal drilling on private lands in the U.S. had taken off in the last years of the Bush administration and by 2009 were set to revolutionize America’s energy future. By 2011, the U.S. had cut way back its dependence on Middle Eastern gas and oil imports, which in turn gave American diplomats a measure of immunity from petro-blackmail, and therefore far more clout in the region. Iraq was mostly stable; in Anbar Province tens of thousands of jihadists had been killed by U.S. troops and their tribal allies. Iran’s scope was limited by a new moderate axis of Sunni states, Israel, and the United States. A bruised Hezbollah faced a huge rebuilding tab in southern Lebanon. Libya was beginning to shed at least some of its bizarre past. The Palestinians had no desire for another Intifada. The Middle East was looking to the U.S. for leadership, inasmuch as the surge in Iraq had regained respect for American arms and determination.

All that now is ancient history. …

… In brilliantly diabolical fashion, Iran has maneuvered a deer-in-the-headlights U.S. into an embarrassing de facto alliance with it against ISIS in Iraq and Syria. The partnership was designed by Tehran to save the pro-Iranian Assad government, to bolster Hezbollah, to relieve diplomatic pressures on its own nuclear-enrichment program, and to increase tensions between the U.S. and the Sunni moderate states like Jordan and the Gulf monarchies.

There has never been a greater likelihood than there is now, under Obama, that Iran will get the bomb, that it will create a radical theocratic Shiite alliance from Yemen to Iraq to Syria to Lebanon, and that it will direct Hamas and Hezbollah to start another war against Israel — this time backed by an Iranian nuclear deterrent. …

… Western investors were welcomed in Libya. Westerners were talking of investing in Libyan enterprise zones, improving Libya’s oil and gas network, and reopening spectacular archaeological sites to tourism. Qaddafi had clamped down on Islamists, and seemed increasingly to be leaving decisions in the hands of his progeny. The Westernized next generation of Qaddafis were courted by the international jet set, and were subtly sending signals that even greater liberalization was on the horizon. Qaddafi had become a buffoon, not a beheader.

All that vanished when Hillary Clinton, Samantha Power, and Susan Rice ordered the bombings that turned Libya into a terrorist paradise, whose ultimate trajectory was Benghazi. They had turned up a day late and a dollar short in piggybacking on the Arab Spring unrest in Cairo. This time around they wanted to ride rather than watch the growing protests against Qaddafi — an odd thing, given their prior warnings about Bush-administration naïveté in trying to promote consensual government in the volatile Middle East by force of arms.

The first thing that went wrong was that the U.S. intervention violated U.N. resolutions — which we had supported — about actions limited to humanitarian assistance and no-fly zones. That double cross alienated the snookered Russians, who had signed on to the U.N. resolution.

Then the U.S. ceded its traditional military leadership to the French and British through a lead-from-behind recessional. It turned a new diplomatic presence into dead Americans and a wrecked consulate in Benghazi.