Berkshire Hathaway One Step Closer To Finding Buffett Replacement

There's long been a question of who will succeed Warren Buffett as head of Berkshire Hathaway, which is currently No. 2 on the Fortune 500. Two new appointments at the company might provide some clues.

Here & Now's Meghna Chakrabarti learns more from CNN's Maggie Lake (@maggielake), and discusses lessons from FitBit's CEO on the best ways to track your health.