Representative Jim Renacci, a Republican from Ohio, says he's a big believer in the 401(k) and that the Republicans risk holding the majority if they don't pass the tax bill. Prior to that, Willem Buiter, Citigroup's chief economist, offers his global growth outlook for the year ahead. Finally, Rich Greenfield, a media analyst at BTIG, says future generations aren't going to watch linear TV but they'll consume more content than previous generations on an array of platforms. 
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