Liberal commentator Peter Beinart makes it:

Yes, the Iraq War was a disaster of historic proportions. Yes, seeing its architects return to prime time to smugly slam President Obama while taking no responsibility for their own, far greater, failures is infuriating.

But sooner or later, honest liberals will have to admit that Obama’s Iraq policy has been a disaster.

More:

In recent days, Republicans have slammed Obama for withdrawing U.S. troops from Iraq. But the real problem with America’s military withdrawal was that it exacerbated a diplomatic withdrawal that had been underway since Obama took office.

The decline of U.S. leverage in Iraq simply reinforced the attitude Obama had held since 2009: Let Maliki do whatever he wants so long as he keeps Iraq off the front page.

On December 12, 2011, just days before the final U.S. troops departed Iraq, Maliki visited the White House. According to Nasr, he told Obama that Vice President Tariq al-Hashimi, an Iraqiya leader and the highest-ranking Sunni in his government, supported terrorism. Maliki, argues Nasr, was testing Obama, probing to see how the U.S. would react if he began cleansing his government of Sunnis. Obama replied that it was a domestic Iraqi affair. After the meeting, Nasr claims, Maliki told aides, “See! The Americans don’t care.”

In public remarks after the meeting, Obama praised Maliki for leading “Iraq’s most inclusive government yet.” Iraq’s Deputy Prime Minister, Saleh al-Mutlaq, another Sunni, told CNN he was “shocked” by the president’s comments. “There will be a day,” he predicted, “whereby the Americans will realize that they were deceived by al-Maliki … and they will regret that.”

Here is the whole thing.