David Petraeus: Engage Russia, But 'With Eyes Wide Open'

Former CIA Director David Petraeus said Friday that "there could be some convergence of interest" between the United States and Russia in ending Islamic terrorism but urged caution in dealing with President Vladimir Putin.

"It's very clear what Vladimir Putin's objectives are — and in many cases, they are unacceptable to us, NATO and our allies around the world," the retired Army general told CNN's Frederik Pleitgen in an interview in Berlin.

"There could be some convergence of interest when it comes to the Islamic State and al-Qaida and stopping the bloodshed as an overall objective as well."

However, "I would go into this with my eyes wide open and with a very realistic appraisal of what Russia has done and Putin would like to do," Petraeus said.

"I think dialogue with one's adversary is not one that should be avoided," he added. "I think you should actually pursue it."

Petraeus also praised National Security Adviser Lt. Gen. H.R. McMaster as "an extraordinarily talented individual, brilliant in mind and a team builder.

"He will ensure that the Cabinet secretaries are brought into this — and that the options and recommendations provided to the president will reflect the whole of government and will be thoroughly thought through."

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