Markets around the world rallied on the news that European leaders had reached an agreement to solve the Euro zone debt crisis. The Dow Jones ended the day up 339 points and stocks appear headed for their best month since 1974. Was this the equivalent of Europe avoiding a Lehman Brothers-type disaster, or was yesterday just the latest in a series of dramatic rallies followed by steep declines that we’ve seen in this year’s up and down market? Joining The Takeaway for some analysis is Gillian Tett, U.S. managing editor at the Financial Times.