Reprinted from Consortium News

U.S. Secretary of State John Kerry chats with Russian Foreign Minister Sergey Lavrov outside a room in the Russian Foreign Ministry's Osobnyak Guesthouse in Moscow, Russia, on July 15, 2016.
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The new ceasefire agreement between Secretary of State John Kerry and Russian Foreign Minister Sergey Lavrov, which went into effect at noon Monday, has a new central compromise absent from the earlier ceasefire agreement that the same two men negotiated last February. But it isn't clear that it will produce markedly different results.
The new agreement incorporates a U.S.-Russian bargain: the Syrian air force is prohibited from operating except under very specific circumstances in return for U.S.-Russian military cooperation against Al Qaeda and the Islamic State, also known as Daesh, ISIS or ISIL. That compromise could be a much stronger basis for an effective ceasefire, provided there is sufficient motivation to carry it out fully.
The question, however, is whether the Obama administration is willing to do what would certainly be necessary for the agreement to establish a longer-term ceasefire at the expense of Daesh and Al Qaeda.
In return for ending the Syrian air force's operations, generally regarded as indiscriminate, and lifting the siege on the rebel-controlled sectors of Aleppo, the United States is supposed to ensure the end of the close military collaboration between the armed groups it supports and Al Qaeda, and join with Russian forces in weakening Al Qaeda.
The new bargain is actually a variant of a provision in the Feb. 27 ceasefire agreement: in return for Russian and Syrian restraints on bombing operations, the United States would prevail on its clients to separate themselves from their erstwhile Al Qaeda allies.
But that never happened. Instead the U.S.-supported groups not only declared publicly that they would not honor a "partial ceasefire" that excluded areas controlled by Al Qaeda's affiliate, then known as Nusra Front, but joined with Nusra Front and its close ally, Ahrar al Sham, in a major open violation of the ceasefire by seizing strategic terrain south of Aleppo in early April.
As the Kerry-Lavrov negotiations on a ceasefire continued, Kerry's State Department hinted that the U.S. was linking its willingness to pressure its Syrian military clients to separate themselves from Al Qaeda's forces in the northwest to an unspecified Russian concession on the ceasefire that was still being negotiated.
It is now clear that what Kerry was pushing for was what the Obama administration characterized as the "grounding" of the Syrian air force in the current agreement.
Al Qaeda's Ties
Now that it has gotten that concession from the Russians, the crucial question is what the Obama administration intends to do about the ties between its own military clients and Al Qaeda in Aleppo and elsewhere in the northwest.

President Barack Obama delivers a statement on confronting the terrorist group ISIL in Syria, on the South Lawn of the White House prior to departure for New York, N.Y., Sept. 23, 2014.
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Thus far the primary evidence available for answering that question is two letters from U.S. envoy to the Syrian opposition Michael Ratney to opposition groups backed by the United States. The first letter, sent on Sept. 3, after most of the Kerry-Lavrov agreement had already been hammered out, appears to have been aimed primarily at reassuring those Syrian armed groups.
As translated by al-Monitor, it asserted, "Russia will prevent regime planes from flying, and this means there will not be bombing by the regime of areas controlled by the opposition, regardless of who is present in the area, including areas in which Jabhat Fateh al Sham [the new name adopted by Al Qaeda's Nusra Front] has a presence alongside other opposition factions."
Ratney confirmed that the U.S. would in return "offer Russia coordination from our side to weaken al Qaeda." But he also assured U.S. clients that their interests would be protected under the new agreement.
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