He has led delegations to Syria and met a few times with President Bashar Assad, now a pariah in U.S. eyes after months of civil war and bloodshed as the government looks to put down a people's rebellion. Figuring out an end-game for the Middle East country would demand all of Kerry's skills.
The selection of Kerry closes a political circle with Obama. In 2004, it was White House hopeful Kerry who asked a largely unknown Illinois state senator to deliver the keynote address at the Democratic convention in Boston, handing the national stage to Obama. Kerry lost that election to President George W. Bush. Four years later, Obama was the White House hopeful who succeeded where Kerry had failed.