Sen. John McCain (copy)
Randy Metcalf/The Explorer

(CNN) - President Barack Obama should send David Petraeus, a retired four-star general who ran the wars in Iraq and Afghanistan, back to Iraq to help deal with the growing unrest in the country, Sen. John McCain said Sunday on CNN’s “State of the Union.”

The Arizona Republican also weighed in on a new book by former Defense Secretary Robert Gates, saying he would have waited a bit longer to release the book, which offers a blistering critique of the Obama administration.

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