Sen. John McCainJohn Sidney McCain20 years after 9/11, US foreign policy still struggles for balance What the chaos in Afghanistan can remind us about the importance of protecting democracy at home 'The View' plans series of conservative women as temporary McCain replacements MORE says he’s considering penning a book about his presidential campaigns.

The Arizona Republican, who made White House bids in 2000 and in 2008, just released a book, 13 Soldiers: A Personal History of Americans at War, which recalls major military battles through the eyes of veterans.

When asked at the National Press Club in Washington on Tuesday whether there will be another tome, McCain replied, “I was thinking of something in retrospect, perhaps something that talks about the presidential campaign.”

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Game Change, by journalists John Heilemann and Mark Halperin, famously detailed what was touted as the behind-the-scenes back-and-forth during McCain’s 2008 campaign. The book was made into a 2012 HBO movie.

The 78-year-old lawmaker touched upon his loss to President Obama, quipping to an audience gathered to hear about his new book, “After I lost the presidency, I slept like a baby. I would sleep two hours and then wake up and cry.”

The Veterans Day discussion quickly turned serious as McCain, a former prisoner of war, reflected on his military career. When asked during a question-and-answer session about the role women play in military combat, McCain replied, “I've run into some really capable women who have risen to positions of command.” He added, “I think the argument of whether women should engage in combat should be over.”

The five-term senator also said of the soon-to-be-Republican-controlled Senate: “Now it’s up to us to govern.”

“I love [Sen. Harry Reid (D-Nev.)], but I can’t blame him anymore. If we want a Republican president in 2016, we have to govern,” McCain said.