How Ridge or Bayesian machine learning libraries can improve proxy accuracy and robustness.

Warren says she will "work with labor leaders, policy experts, fund counsel, actuaries, and benefits specialists" to create policy to help financially challenged pension plans.

The Treasury Department is looking at loosening or removing Obama guidelines designed to prevent U.S. companies' offshoring of earnings.

Avoiding the typical IPO process would "fit in nicely with the Airbnb startup narrative and culture."