Not so smiley. Travis Kalanick's resignation this week shows venture capital firms have gained a bit more of an advantage.

Uber shows tech investors still have clout

Facebook's success has supported the idea that good things happen when founders lead and investors stay quiet. But few since have matched Facebook's success.

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Sweet spot in sugar tax

Imposing a tax on sugary drinks would have a sweet economic effect, not just in health savings but on the productivity of our aging populati...