Sens. John McCain (R-Ariz.) and John Kerry (D-Mass.) engaged in some good-natured ribbing on Monday morning, knocking each other for past and potentially future aspirations.

"Thank you, Mr. Secretary," McCain said, following an introduction from Kerry at a press conference. McCain has been on the forefront of criticism over rumblings about President Barack Obama potentially favoring United Nations Ambassador Susan Rice to succeed Hillary Clinton as secretary of state. He's repeatedly argued that Kerry would be a better choice.

After McCain's comments, Kerry reportedly recovered from turning "beet red" and came back with his own retort.

"Thank you, Mr. President," the Democrat said. McCain lost a presidential election to Obama in 2008. Kerry, who also experienced defeat in the 2004 presidential race against then-President George W. Bush, was quick to turn the joke on himself.

"This is what happens when two losers get together," he said, according to Josh Rogin of Foreign Policy.

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