Mark Halperin: Rand Paul Is Now Front-Runner in N.H.

On "With All Due Respect," Mark and John add that Romney's exit also helps Marco Rubio and Scott Walker.

Didi Chuxing's Jean Liu on the Future of Cities
40:27 - Didi Chuxing President Jean Liu speaks about the role of the sharing economy in the city of the future at the Bloomberg Global Business Forum at The Plaza Hotel in New York City. (Source: Bloomberg)
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