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John Kerry will take his last lap as secretary of state this week. He visited Paris over the weekend for Middle East peace talks, and will head to London today to meet with his U.K. Foreign Secretary Boris Johnson.
Since assuming the position in 2013, Kerry has become the most traveled secretary of state — he has traversed more than 1 million miles, and spent more than 96 days in the air, according to CNN.
But that's not his whole legacy. For a look at Kerry's major accomplishments and failures, we turn to Jonathan Marcus, diplomatic correspondent for the BBC.