Big Brands Flock to Twitter, Upending Ad Industry

March 25 (Bloomberg) -- Jon Erlichman takes a look at the business behind Twitter. He speaks on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

Harvard's Burns Sees Mixed U.S. Messages for Europe
00:31 - Harvard Kennedy School Professor Nicholas Burns discusses the concerns of European leaders about President Donald Trump and U.S. foreign policy. He speaks with Bloomberg's David Westin on "Bloomberg Daybreak: Americas." (Source: Bloomberg)
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