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FT's Vanessa Kortekaas provides a briefing of Monday's headlines: thousands of people marched through Moscow on Sunday in memory of Boris Nemtsov, Warren Buffett's letter has prompted speculation about his successor, and updates from Mobile World Congress.
► FT World News: http://bit.ly/1Exp0iJ
► FT Business: http://bit.ly/1KUK08s
► Can the S6 Reverse Samsung's Slide?: http://bit.ly/1GChYgW
